1312312000 has 56 divisors (see below), whose sum is σ = 3249960480. Its totient is φ = 524921600.

The previous prime is 1312311983. The next prime is 1312312033. The reversal of 1312312000 is 2132131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74020 + ... + 90019.

Almost surely, 2^1312312000 is an apocalyptic number.

1312312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312312000 is an abundant number, since it is smaller than the sum of its proper divisors (1937648480).

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

1312312000 is an equidigital number, since it uses as much as digits as its factorization.

1312312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164066 (or 164046 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1312312000 is about 36225.8471260508. The cubic root of 1312312000 is about 1094.8275063108.

Adding to 1312312000 its reverse (2132131), we get a palindrome (1314444131).

The spelling of 1312312000 in words is "one billion, three hundred twelve million, three hundred twelve thousand".