100012213231 has 16 divisors (see below), whose sum is σ = 119282978304. Its totient is φ = 81988134624.

The previous prime is 100012213211. The next prime is 100012213247. The reversal of 100012213231 is 132312210001.

It is a cyclic number.

It is not a de Polignac number, because 100012213231 - 2¹¹ = 100012211183 is a prime.

It is a super-2 number, since 2×100012213231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012213211) 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, 1594200 + ... + 1655746.

It is an arithmetic number, because the mean of its divisors is an integer number (7455186144).

Almost surely, 2^100012213231 is an apocalyptic number.

100012213231 is a deficient number, since it is larger than the sum of its proper divisors (19270765073).

100012213231 is a wasteful number, since it uses less digits than its factorization.

100012213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71670.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100012213231 its reverse (132312210001), we get a palindrome (232324423232).

The spelling of 100012213231 in words is "one hundred billion, twelve million, two hundred thirteen thousand, two hundred thirty-one".