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1210011212011 = 7408474231859
BaseRepresentation
bin10001100110111010010…
…010011101100011101011
311021200020202120101002111
4101212322102131203223
5124311100332241021
62323512123343151
7153264130413040
oct21467222354353
94250222511074
101210011212011
11427187869928
12176612381ab7
138a1466cc5b4
14427c9d691c7
152171da608e1
hex119ba49d8eb

1210011212011 has 8 divisors (see below), whose sum is σ = 1382904138240. Its totient is φ = 1037126831208.

The previous prime is 1210011211957. The next prime is 1210011212029. The reversal of 1210011212011 is 1102121100121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210011212011 - 27 = 1210011211883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210011211982 and 1210011212000.

It is not an unprimeable number, because it can be changed into a prime (1210011212041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830001 + ... + 2401858.

It is an arithmetic number, because the mean of its divisors is an integer number (172863017280).

Almost surely, 21210011212011 is an apocalyptic number.

1210011212011 is a deficient number, since it is larger than the sum of its proper divisors (172892926229).

1210011212011 is an equidigital number, since it uses as much as digits as its factorization.

1210011212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272713.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210011212011 its reverse (1102121100121), we get a palindrome (2312132312132).

The spelling of 1210011212011 in words is "one trillion, two hundred ten billion, eleven million, two hundred twelve thousand, eleven".

Divisors: 1 7 40847 285929 4231859 29623013 172858744573 1210011212011