1012100404 has 12 divisors (see below), whose sum is σ = 2024200864. Its totient is φ = 433757304.

The previous prime is 1012100399. The next prime is 1012100413. The reversal of 1012100404 is 4040012101.

1012100404 is an admirable number.

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, 18073194 + ... + 18073249.

Almost surely, 2^1012100404 is an apocalyptic number.

1012100404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1012100404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012100404 is a wasteful number, since it uses less digits than its factorization.

1012100404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36146454 (or 36146452 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1012100404 is about 31813.5254883831. The cubic root of 1012100404 is about 1004.0173076280.

Adding to 1012100404 its reverse (4040012101), we get a palindrome (5052112505).

The spelling of 1012100404 in words is "one billion, twelve million, one hundred thousand, four hundred four".