12456122072215 has 8 divisors (see below), whose sum is σ = 14962102017408. Its totient is φ = 9955060637280.

The previous prime is 12456122072183. The next prime is 12456122072231. The reversal of 12456122072215 is 51227022165421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12456122072215 - 2⁵ = 12456122072183 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1229621991 + ... + 1229632120.

It is an arithmetic number, because the mean of its divisors is an integer number (1870262752176).

Almost surely, 2^{12456122072215} is an apocalyptic number.

12456122072215 is a deficient number, since it is larger than the sum of its proper divisors (2505979945193).

12456122072215 is a wasteful number, since it uses less digits than its factorization.

12456122072215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459255129.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 12456122072215 in words is "twelve trillion, four hundred fifty-six billion, one hundred twenty-two million, seventy-two thousand, two hundred fifteen".