32130312003021 has 16 divisors (see below), whose sum is σ = 42953616382464. Its totient is φ = 21363650298624.

The previous prime is 32130312002993. The next prime is 32130312003037. The reversal of 32130312003021 is 12030021303123.

It is not a de Polignac number, because 32130312003021 - 2²³ = 32130303614413 is a prime.

It is a super-2 number, since 2×32130312003021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130312803021) 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, 2283600 + ... + 8335193.

It is an arithmetic number, because the mean of its divisors is an integer number (2684601023904).

Almost surely, 2^{32130312003021} is an apocalyptic number.

It is an amenable number.

32130312003021 is a deficient number, since it is larger than the sum of its proper divisors (10823304379443).

32130312003021 is a wasteful number, since it uses less digits than its factorization.

32130312003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621460.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32130312003021 its reverse (12030021303123), we get a palindrome (44160333306144).

The spelling of 32130312003021 in words is "thirty-two trillion, one hundred thirty billion, three hundred twelve million, three thousand, twenty-one".