12031998262 has 16 divisors (see below), whose sum is σ = 18299543472. Its totient is φ = 5932189440.

The previous prime is 12031998191. The next prime is 12031998263. The reversal of 12031998262 is 26289913021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031998263) 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, 906937 + ... + 920107.

It is an arithmetic number, because the mean of its divisors is an integer number (1143721467).

Almost surely, 2^12031998262 is an apocalyptic number.

12031998262 is a deficient number, since it is larger than the sum of its proper divisors (6267545210).

12031998262 is a wasteful number, since it uses less digits than its factorization.

12031998262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19503.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 12031998262 in words is "twelve billion, thirty-one million, nine hundred ninety-eight thousand, two hundred sixty-two".