909192929212 has 12 divisors (see below), whose sum is σ = 1593524212056. Its totient is φ = 453900297200.

The previous prime is 909192929201. The next prime is 909192929219. The reversal of 909192929212 is 212929291909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909192929219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174038914 + ... + 174044137.

It is an arithmetic number, because the mean of its divisors is an integer number (132793684338).

Almost surely, 2^909192929212 is an apocalyptic number.

It is an amenable number.

909192929212 is a deficient number, since it is larger than the sum of its proper divisors (684331282844).

909192929212 is a wasteful number, since it uses less digits than its factorization.

909192929212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348083708 (or 348083706 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 55.

The spelling of 909192929212 in words is "nine hundred nine billion, one hundred ninety-two million, nine hundred twenty-nine thousand, two hundred twelve".