123252451055225 has 12 divisors (see below), whose sum is σ = 152879935095120. Its totient is φ = 98571705498000.

The previous prime is 123252451055183. The next prime is 123252451055233. The reversal of 123252451055225 is 522550154252321.

It is not a de Polignac number, because 123252451055225 - 2²⁶ = 123252383946361 is a prime.

It is a super-2 number, since 2×123252451055225² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 756300551 + ... + 756463500.

It is an arithmetic number, because the mean of its divisors is an integer number (12739994591260).

Almost surely, 2^{123252451055225} is an apocalyptic number.

It is an amenable number.

123252451055225 is a deficient number, since it is larger than the sum of its proper divisors (29627484039895).

123252451055225 is a wasteful number, since it uses less digits than its factorization.

123252451055225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512767320 (or 1512767315 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 123252451055225 in words is "one hundred twenty-three trillion, two hundred fifty-two billion, four hundred fifty-one million, fifty-five thousand, two hundred twenty-five".