12212902 has 16 divisors (see below), whose sum is σ = 20889792. Its totient is φ = 5304960.

The previous prime is 12212899. The next prime is 12212917. The reversal of 12212902 is 20921221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13374 + ... + 14257.

It is an arithmetic number, because the mean of its divisors is an integer number (1305612).

Almost surely, 2^12212902 is an apocalyptic number.

12212902 is a deficient number, since it is larger than the sum of its proper divisors (8676890).

12212902 is a wasteful number, since it uses less digits than its factorization.

12212902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27663.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12212902 is about 3494.6962672026. The cubic root of 12212902 is about 230.2888745836.

The spelling of 12212902 in words is "twelve million, two hundred twelve thousand, nine hundred two".