12020431344 has 40 divisors (see below), whose sum is σ = 31064418000. Its totient is φ = 4005308928.

The previous prime is 12020431337. The next prime is 12020431369. The reversal of 12020431344 is 44313402021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86404 + ... + 177500.

It is an arithmetic number, because the mean of its divisors is an integer number (776610450).

Almost surely, 2^12020431344 is an apocalyptic number.

It is an amenable number.

12020431344 is an abundant number, since it is smaller than the sum of its proper divisors (19043986656).

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

12020431344 is a wasteful number, since it uses less digits than its factorization.

12020431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93857 (or 93851 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12020431344 its reverse (44313402021), we get a palindrome (56333833365).

The spelling of 12020431344 in words is "twelve billion, twenty million, four hundred thirty-one thousand, three hundred forty-four".