123242355201212 has 48 divisors (see below), whose sum is σ = 232822010541120. Its totient is φ = 56744570539008.

The previous prime is 123242355201187. The next prime is 123242355201223. The reversal of 123242355201212 is 212102553242321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188529758 + ... + 189182330.

It is an arithmetic number, because the mean of its divisors is an integer number (4850458552940).

Almost surely, 2^{123242355201212} is an apocalyptic number.

It is an amenable number.

123242355201212 is a deficient number, since it is larger than the sum of its proper divisors (109579655339908).

123242355201212 is a wasteful number, since it uses less digits than its factorization.

123242355201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661302 (or 661300 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 123242355201212 in words is "one hundred twenty-three trillion, two hundred forty-two billion, three hundred fifty-five million, two hundred one thousand, two hundred twelve".