3212157612123 has 8 divisors (see below), whose sum is σ = 4758752018000. Its totient is φ = 2141438408064.

The previous prime is 3212157612029. The next prime is 3212157612193. The reversal of 3212157612123 is 3212167512123.

3212157612123 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 15 + 7 + 612 + 1 + 23 = 666.

It is not a de Polignac number, because 3212157612123 - 2²⁵ = 3212124057691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3212157612193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59484400198 + ... + 59484400251.

It is an arithmetic number, because the mean of its divisors is an integer number (594844002250).

Almost surely, 2^{3212157612123} is an apocalyptic number.

3212157612123 is a deficient number, since it is larger than the sum of its proper divisors (1546594405877).

3212157612123 is a wasteful number, since it uses less digits than its factorization.

3212157612123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118968800458 (or 118968800452 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The spelling of 3212157612123 in words is "three trillion, two hundred twelve billion, one hundred fifty-seven million, six hundred twelve thousand, one hundred twenty-three".