32147138121980 has 48 divisors (see below), whose sum is σ = 77170251518976. Its totient is φ = 11019430209600.

The previous prime is 32147138121941. The next prime is 32147138121983. The reversal of 32147138121980 is 8912183174123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32147138121983) 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, 24842996 + ... + 26104955.

It is an arithmetic number, because the mean of its divisors is an integer number (1607713573312).

Almost surely, 2^{32147138121980} is an apocalyptic number.

It is an amenable number.

32147138121980 is an abundant number, since it is smaller than the sum of its proper divisors (45023113396996).

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

32147138121980 is a wasteful number, since it uses less digits than its factorization.

32147138121980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50952474 (or 50952472 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 32147138121980 in words is "thirty-two trillion, one hundred forty-seven billion, one hundred thirty-eight million, one hundred twenty-one thousand, nine hundred eighty".