123212535075451 has 8 divisors (see below), whose sum is σ = 129706864985600. Its totient is φ = 116719151129640.

The previous prime is 123212535075401. The next prime is 123212535075467. The reversal of 123212535075451 is 154570535212321.

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

It is a cyclic number.

It is not a de Polignac number, because 123212535075451 - 2²⁵ = 123212501521019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123212535075401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236223711 + ... + 236744728.

It is an arithmetic number, because the mean of its divisors is an integer number (16213358123200).

Almost surely, 2^{123212535075451} is an apocalyptic number.

123212535075451 is a deficient number, since it is larger than the sum of its proper divisors (6494329910149).

123212535075451 is a wasteful number, since it uses less digits than its factorization.

123212535075451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472982169.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 123212535075451 in words is "one hundred twenty-three trillion, two hundred twelve billion, five hundred thirty-five million, seventy-five thousand, four hundred fifty-one".