100392021412 has 24 divisors (see below), whose sum is σ = 181431231800. Its totient is φ = 48569518080.

The previous prime is 100392021397. The next prime is 100392021413. The reversal of 100392021412 is 214120293001.

It can be written as a sum of positive squares in 4 ways, for example, as 470282596 + 99921738816 = 21686^2 + 316104^2 .

It is not an unprimeable number, because it can be changed into a prime (100392021413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1847037 + ... + 1900612.

Almost surely, 2^100392021412 is an apocalyptic number.

It is an amenable number.

100392021412 is a deficient number, since it is larger than the sum of its proper divisors (81039210388).

100392021412 is a wasteful number, since it uses less digits than its factorization.

100392021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747871 (or 3747869 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 100392021412 in words is "one hundred billion, three hundred ninety-two million, twenty-one thousand, four hundred twelve".