Search a number
-
+
10212001200012 = 223851000100001
BaseRepresentation
bin1001010010011010101010…
…1101000011011110001100
31100011020221220220001210010
42110212222231003132030
52314303134301400022
633415154550313220
72102535623663523
oct224465255033614
940136856801703
1010212001200012
1132879814a6437
12118b1a2658810
13590cab93c481
142743990614ba
1512a986cc350c
hex949aab4378c

10212001200012 has 12 divisors (see below), whose sum is σ = 23828002800056. Its totient is φ = 3404000400000.

The previous prime is 10212001199993. The next prime is 10212001200017. The reversal of 10212001200012 is 21000210021201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 851000100001 = 10212001200012 / (1 + 0 + 2 + 1 + 2 + 0 + 0 + 1 + 2 + 0 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (10212001200017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425500049989 + ... + 425500050012.

Almost surely, 210212001200012 is an apocalyptic number.

10212001200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212001200012 is an abundant number, since it is smaller than the sum of its proper divisors (13616001600044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212001200012 is a wasteful number, since it uses less digits than its factorization.

10212001200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851000100008 (or 851000100006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10212001200012 its reverse (21000210021201), we get a palindrome (31212211221213).

The spelling of 10212001200012 in words is "ten trillion, two hundred twelve billion, one million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 851000100001 1702000200002 2553000300003 3404000400004 5106000600006 10212001200012