1312510554220 has 24 divisors (see below), whose sum is σ = 2756721106944. Its totient is φ = 524918708736.

The previous prime is 1312510554211. The next prime is 1312510554227. The reversal of 1312510554220 is 224550152131.

It is not an unprimeable number, because it can be changed into a prime (1312510554227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5218629 + ... + 5464348.

It is an arithmetic number, because the mean of its divisors is an integer number (114863379456).

Almost surely, 2^{1312510554220} is an apocalyptic number.

1312510554220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312510554220 is an abundant number, since it is smaller than the sum of its proper divisors (1444210552724).

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

1312510554220 is a wasteful number, since it uses less digits than its factorization.

1312510554220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689129 (or 10689127 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1312510554220 in words is "one trillion, three hundred twelve billion, five hundred ten million, five hundred fifty-four thousand, two hundred twenty".