100635412 has 12 divisors (see below), whose sum is σ = 180872020. Its totient is φ = 48957696.

The previous prime is 100635397. The next prime is 100635473. The reversal of 100635412 is 214536001.

It can be written as a sum of positive squares in 2 ways, for example, as 93431556 + 7203856 = 9666^2 + 2684^2 .

It is a super-2 number, since 2×100635412² = 20254972296819488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339837 + ... + 340132.

Almost surely, 2^100635412 is an apocalyptic number.

It is an amenable number.

100635412 is a deficient number, since it is larger than the sum of its proper divisors (80236608).

100635412 is a wasteful number, since it uses less digits than its factorization.

100635412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680010 (or 680008 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 100635412 is about 10031.7202911564. The cubic root of 100635412 is about 465.1399155020.

The spelling of 100635412 in words is "one hundred million, six hundred thirty-five thousand, four hundred twelve".