1215414312972 has 48 divisors (see below), whose sum is σ = 2959364486400. Its totient is φ = 387510982848.

The previous prime is 1215414312971. The next prime is 1215414313031. The reversal of 1215414312972 is 2792134145121.

It is not an unprimeable number, because it can be changed into a prime (1215414312971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12800223 + ... + 12894825.

It is an arithmetic number, because the mean of its divisors is an integer number (61653426800).

Almost surely, 2^{1215414312972} is an apocalyptic number.

1215414312972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1215414312972 is an abundant number, since it is smaller than the sum of its proper divisors (1743950173428).

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

1215414312972 is a wasteful number, since it uses less digits than its factorization.

1215414312972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141182 (or 141180 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The spelling of 1215414312972 in words is "one trillion, two hundred fifteen billion, four hundred fourteen million, three hundred twelve thousand, nine hundred seventy-two".