1297176612480 has 768 divisors, whose sum is σ = 5376372019200. Its totient is φ = 292724969472.

The previous prime is 1297176612373. The next prime is 1297176612533. The reversal of 1297176612480 is 842166717921.

1297176612480 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 17 + 6 + 612 + 4 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85995019 + ... + 86010101.

It is an arithmetic number, because the mean of its divisors is an integer number (7000484400).

Almost surely, 2^{1297176612480} is an apocalyptic number.

1297176612480 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 1297176612480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688186009600).

1297176612480 is an abundant number, since it is smaller than the sum of its proper divisors (4079195406720).

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

1297176612480 is an equidigital number, since it uses as much as digits as its factorization.

1297176612480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15203 (or 15179 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 1297176612480 in words is "one trillion, two hundred ninety-seven billion, one hundred seventy-six million, six hundred twelve thousand, four hundred eighty".