1312147320000 has 280 divisors, whose sum is σ = 4732657714752. Its totient is φ = 318096000000.

The previous prime is 1312147319981. The next prime is 1312147320031. The reversal of 1312147320000 is 237412131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 822975 + ... + 1817025.

Almost surely, 2^{1312147320000} is an apocalyptic number.

1312147320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312147320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2366328857376).

1312147320000 is an abundant number, since it is smaller than the sum of its proper divisors (3420510394752).

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

1312147320000 is an equidigital number, since it uses as much as digits as its factorization.

1312147320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994097 (or 994072 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 1312147320000 in words is "one trillion, three hundred twelve billion, one hundred forty-seven million, three hundred twenty thousand".