32112130310021 has 4 divisors (see below), whose sum is σ = 33148005481344. Its totient is φ = 31076255138700.

The previous prime is 32112130309933. The next prime is 32112130310041. The reversal of 32112130310021 is 12001303121123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32112130310021 - 2²⁶ = 32112063201157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32112130309975 and 32112130310002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32112130310041) 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, 517937585615 + ... + 517937585676.

It is an arithmetic number, because the mean of its divisors is an integer number (8287001370336).

Almost surely, 2^{32112130310021} is an apocalyptic number.

32112130310021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32112130310021 is a deficient number, since it is larger than the sum of its proper divisors (1035875171323).

32112130310021 is a wasteful number, since it uses less digits than its factorization.

32112130310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035875171322.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 32112130310021 its reverse (12001303121123), we get a palindrome (44113433431144).

The spelling of 32112130310021 in words is "thirty-two trillion, one hundred twelve billion, one hundred thirty million, three hundred ten thousand, twenty-one".