32015543412 has 12 divisors (see below), whose sum is σ = 74702934656. Its totient is φ = 10671847800.

The previous prime is 32015543407. The next prime is 32015543429. The reversal of 32015543412 is 21434551023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 32015543412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333980964 + ... + 1333980987.

Almost surely, 2^32015543412 is an apocalyptic number.

It is an amenable number.

32015543412 is an abundant number, since it is smaller than the sum of its proper divisors (42687391244).

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

32015543412 is a wasteful number, since it uses less digits than its factorization.

32015543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667961958 (or 2667961956 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 32015543412 in words is "thirty-two billion, fifteen million, five hundred forty-three thousand, four hundred twelve".