100402412 has 18 divisors (see below), whose sum is σ = 193130364. Its totient is φ = 45637240.

The previous prime is 100402411. The next prime is 100402417. The reversal of 100402412 is 214204001.

It is not an unprimeable number, because it can be changed into a prime (100402411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103238 + ... + 104205.

Almost surely, 2^100402412 is an apocalyptic number.

It is an amenable number.

100402412 is a deficient number, since it is larger than the sum of its proper divisors (92727952).

100402412 is a wasteful number, since it uses less digits than its factorization.

100402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207469 (or 207456 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100402412 is about 10020.1003986986. The cubic root of 100402412 is about 464.7806604190.

Adding to 100402412 its reverse (214204001), we get a palindrome (314606413).

The spelling of 100402412 in words is "one hundred million, four hundred two thousand, four hundred twelve".