Search a number
-
+
12212002 = 211555091
BaseRepresentation
bin101110100101…
…011100100010
3211222102201101
4232211130202
511111241002
61113425014
7205541335
oct56453442
924872641
1012212002
116991070
12410b16a
1326b764a
14189c61c
151113587
hexba5722

12212002 has 8 divisors (see below), whose sum is σ = 19983312. Its totient is φ = 5550900.

The previous prime is 12211981. The next prime is 12212021. The reversal of 12212002 is 20021221.

12212002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12212002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277524 + ... + 277567.

It is an arithmetic number, because the mean of its divisors is an integer number (2497914).

Almost surely, 212212002 is an apocalyptic number.

12212002 is a deficient number, since it is larger than the sum of its proper divisors (7771310).

12212002 is a wasteful number, since it uses less digits than its factorization.

12212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555104.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12212002 is about 3494.5674982750. The cubic root of 12212002 is about 230.2832175858.

Adding to 12212002 its reverse (20021221), we get a palindrome (32233223).

It can be divided in two parts, 1221 and 2002, that multiplied together give a palindrome (2444442).

The spelling of 12212002 in words is "twelve million, two hundred twelve thousand, two".

Divisors: 1 2 11 22 555091 1110182 6106001 12212002