32012042412 has 36 divisors (see below), whose sum is σ = 86889831000. Its totient is φ = 9146297664.

The previous prime is 32012042411. The next prime is 32012042471. The reversal of 32012042412 is 21424021023.

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

It is not an unprimeable number, because it can be changed into a prime (32012042411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27220537 + ... + 27221712.

Almost surely, 2^32012042412 is an apocalyptic number.

It is an amenable number.

32012042412 is an abundant number, since it is smaller than the sum of its proper divisors (54877788588).

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

32012042412 is a wasteful number, since it uses less digits than its factorization.

32012042412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54442270 (or 54442261 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 32012042412 its reverse (21424021023), we get a palindrome (53436063435).

The spelling of 32012042412 in words is "thirty-two billion, twelve million, forty-two thousand, four hundred twelve".