1316477007220 has 12 divisors (see below), whose sum is σ = 2764601715204. Its totient is φ = 526590802880.

The previous prime is 1316477007217. The next prime is 1316477007233. The reversal of 1316477007220 is 227007746131.

It can be written as a sum of positive squares in 2 ways, for example, as 498834263524 + 817642743696 = 706282^2 + 904236^2 .

It is a super-2 number, since 2×1316477007220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32911925161 + ... + 32911925200.

It is an arithmetic number, because the mean of its divisors is an integer number (230383476267).

Almost surely, 2^{1316477007220} is an apocalyptic number.

1316477007220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316477007220 is an abundant number, since it is smaller than the sum of its proper divisors (1448124707984).

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

1316477007220 is a wasteful number, since it uses less digits than its factorization.

1316477007220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65823850370 (or 65823850368 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 1316477007220 in words is "one trillion, three hundred sixteen billion, four hundred seventy-seven million, seven thousand, two hundred twenty".