1217360758272 has 40 divisors (see below), whose sum is σ = 3243125149176. Its totient is φ = 405786918912.

The previous prime is 1217360758253. The next prime is 1217360758291. The reversal of 1217360758272 is 2728570637121.

It is an interprime number because it is at equal distance from previous prime (1217360758253) and next prime (1217360758291).

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, 396274753 + ... + 396277824.

Almost surely, 2^{1217360758272} is an apocalyptic number.

1217360758272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1217360758272 is an abundant number, since it is smaller than the sum of its proper divisors (2025764390904).

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

1217360758272 is an frugal number, since it uses more digits than its factorization.

1217360758272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792552598 (or 792552582 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 1217360758272 in words is "one trillion, two hundred seventeen billion, three hundred sixty million, seven hundred fifty-eight thousand, two hundred seventy-two".