1012553312 has 24 divisors (see below), whose sum is σ = 2023221816. Its totient is φ = 498719232.

The previous prime is 1012553309. The next prime is 1012553317. The reversal of 1012553312 is 2133552101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012553317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233993 + ... + 238280.

It is an arithmetic number, because the mean of its divisors is an integer number (84300909).

Almost surely, 2^1012553312 is an apocalyptic number.

It is an amenable number.

1012553312 is a deficient number, since it is larger than the sum of its proper divisors (1010668504).

1012553312 is an equidigital number, since it uses as much as digits as its factorization.

1012553312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472350 (or 472342 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1012553312 is about 31820.6428596281. The cubic root of 1012553312 is about 1004.1670489174.

The spelling of 1012553312 in words is "one billion, twelve million, five hundred fifty-three thousand, three hundred twelve".