1012131300 has 72 divisors (see below), whose sum is σ = 3007613056. Its totient is φ = 262604160.

The previous prime is 1012131287. The next prime is 1012131319. The reversal of 1012131300 is 31312101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 34492 + ... + 56691.

Almost surely, 2^1012131300 is an apocalyptic number.

1012131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012131300 is an abundant number, since it is smaller than the sum of its proper divisors (1995481756).

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

1012131300 is a wasteful number, since it uses less digits than its factorization.

1012131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91237 (or 91230 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1012131300 is about 31814.0110643094. The cubic root of 1012131300 is about 1004.0275239408.

Adding to 1012131300 its reverse (31312101), we get a palindrome (1043443401).

The spelling of 1012131300 in words is "one billion, twelve million, one hundred thirty-one thousand, three hundred".