100521412 has 24 divisors (see below), whose sum is σ = 179432960. Its totient is φ = 49260960.

The previous prime is 100521403. The next prime is 100521413. The reversal of 100521412 is 214125001.

It is not an unprimeable number, because it can be changed into a prime (100521413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91933 + ... + 93019.

Almost surely, 2^100521412 is an apocalyptic number.

It is an amenable number.

100521412 is a deficient number, since it is larger than the sum of its proper divisors (78911548).

100521412 is a wasteful number, since it uses less digits than its factorization.

100521412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 100521412 is about 10026.0367045009. The cubic root of 100521412 is about 464.9642119911.

Adding to 100521412 its reverse (214125001), we get a palindrome (314646413).

The spelling of 100521412 in words is "one hundred million, five hundred twenty-one thousand, four hundred twelve".