32121010020203 has 16 divisors (see below), whose sum is σ = 36968977432800. Its totient is φ = 27645231760896.

The previous prime is 32121010020181. The next prime is 32121010020233. The reversal of 32121010020203 is 30202001012123.

It is a cyclic number.

It is not a de Polignac number, because 32121010020203 - 2¹² = 32121010016107 is a prime.

It is a super-2 number, since 2×32121010020203² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121010020233) 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, 679153628 + ... + 679200921.

It is an arithmetic number, because the mean of its divisors is an integer number (2310561089550).

Almost surely, 2^{32121010020203} is an apocalyptic number.

32121010020203 is a deficient number, since it is larger than the sum of its proper divisors (4847967412597).

32121010020203 is a wasteful number, since it uses less digits than its factorization.

32121010020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358354686.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32121010020203 its reverse (30202001012123), we get a palindrome (62323011032326).

The spelling of 32121010020203 in words is "thirty-two trillion, one hundred twenty-one billion, ten million, twenty thousand, two hundred three".