12031231022202 has 64 divisors (see below), whose sum is σ = 27541305851904. Its totient is φ = 3432329691840.

The previous prime is 12031231022159. The next prime is 12031231022233. The reversal of 12031231022202 is 20222013213021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77940877 + ... + 78095087.

It is an arithmetic number, because the mean of its divisors is an integer number (430332903936).

Almost surely, 2^{12031231022202} is an apocalyptic number.

12031231022202 is an abundant number, since it is smaller than the sum of its proper divisors (15510074829702).

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

12031231022202 is a wasteful number, since it uses less digits than its factorization.

12031231022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157003.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12031231022202 its reverse (20222013213021), we get a palindrome (32253244235223).

The spelling of 12031231022202 in words is "twelve trillion, thirty-one billion, two hundred thirty-one million, twenty-two thousand, two hundred two".