12031533342 has 32 divisors (see below), whose sum is σ = 26835432960. Its totient is φ = 3995707320.

The previous prime is 12031533329. The next prime is 12031533347. The reversal of 12031533342 is 24333513021.

12031533342 is a `hidden beast` number, since 1 + 2 + 0 + 315 + 3 + 3 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031533347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396448 + ... + 425715.

It is an arithmetic number, because the mean of its divisors is an integer number (838607280).

Almost surely, 2^12031533342 is an apocalyptic number.

12031533342 is an abundant number, since it is smaller than the sum of its proper divisors (14803899618).

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

12031533342 is a wasteful number, since it uses less digits than its factorization.

12031533342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822445 (or 822439 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 12031533342 in words is "twelve billion, thirty-one million, five hundred thirty-three thousand, three hundred forty-two".