32520531412 has 12 divisors (see below), whose sum is σ = 60258631860. Its totient is φ = 15303779456.

The previous prime is 32520531401. The next prime is 32520531419. The reversal of 32520531412 is 21413502523.

It can be written as a sum of positive squares in 2 ways, for example, as 8685494416 + 23835036996 = 93196^2 + 154386^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32520531419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239121487 + ... + 239121622.

It is an arithmetic number, because the mean of its divisors is an integer number (5021552655).

Almost surely, 2^32520531412 is an apocalyptic number.

It is an amenable number.

32520531412 is a deficient number, since it is larger than the sum of its proper divisors (27738100448).

32520531412 is a wasteful number, since it uses less digits than its factorization.

32520531412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478243130 (or 478243128 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 32520531412 in words is "thirty-two billion, five hundred twenty million, five hundred thirty-one thousand, four hundred twelve".