1217947401120 has 48 divisors (see below), whose sum is σ = 3836534315040. Its totient is φ = 324785973504.

The previous prime is 1217947401119. The next prime is 1217947401137. The reversal of 1217947401120 is 211047497121.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268694730 + ... + 1268695689.

It is an arithmetic number, because the mean of its divisors is an integer number (79927798230).

Almost surely, 2^{1217947401120} is an apocalyptic number.

1217947401120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1217947401120 is an abundant number, since it is smaller than the sum of its proper divisors (2618586913920).

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

1217947401120 is a wasteful number, since it uses less digits than its factorization.

1217947401120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537390437 (or 2537390429 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 1217947401120 in words is "one trillion, two hundred seventeen billion, nine hundred forty-seven million, four hundred one thousand, one hundred twenty".