1012131204 has 48 divisors (see below), whose sum is σ = 2792092800. Its totient is φ = 279207936.

The previous prime is 1012131191. The next prime is 1012131209. The reversal of 1012131204 is 4021312101.

1012131204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012131204² = 2048819148220979232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012131209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205309 + ... + 210180.

It is an arithmetic number, because the mean of its divisors is an integer number (58168600).

Almost surely, 2^1012131204 is an apocalyptic number.

1012131204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1012131204 is an abundant number, since it is smaller than the sum of its proper divisors (1779961596).

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

1012131204 is a wasteful number, since it uses less digits than its factorization.

1012131204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415532 (or 415530 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1012131204 is about 31814.0095555402. The cubic root of 1012131204 is about 1004.0274921970.

Adding to 1012131204 its reverse (4021312101), we get a palindrome (5033443305).

The spelling of 1012131204 in words is "one billion, twelve million, one hundred thirty-one thousand, two hundred four".