123233212012112 has 20 divisors (see below), whose sum is σ = 238767679661280. Its totient is φ = 61615746293088.

The previous prime is 123233212012037. The next prime is 123233212012139. The reversal of 123233212012112 is 211210212332321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52548698 + ... + 54843705.

It is an arithmetic number, because the mean of its divisors is an integer number (11938383983064).

Almost surely, 2^{123233212012112} is an apocalyptic number.

It is an amenable number.

123233212012112 is a deficient number, since it is larger than the sum of its proper divisors (115534467649168).

123233212012112 is a wasteful number, since it uses less digits than its factorization.

123233212012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107464130 (or 107464124 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 123233212012112 its reverse (211210212332321), we get a palindrome (334443424344433).

The spelling of 123233212012112 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, two hundred twelve million, twelve thousand, one hundred twelve".