123145366836912 has 40 divisors (see below), whose sum is σ = 363572035424256. Its totient is φ = 35184390524736.

The previous prime is 123145366836881. The next prime is 123145366836913. The reversal of 123145366836912 is 219638663541321.

It is not an unprimeable number, because it can be changed into a prime (123145366836913) 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, 183252033648 + ... + 183252034319.

Almost surely, 2^{123145366836912} is an apocalyptic number.

123145366836912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123145366836912 is an abundant number, since it is smaller than the sum of its proper divisors (240426668587344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123145366836912 is a wasteful number, since it uses less digits than its factorization.

123145366836912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366504067985 (or 366504067979 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 60.

The spelling of 123145366836912 in words is "one hundred twenty-three trillion, one hundred forty-five billion, three hundred sixty-six million, eight hundred thirty-six thousand, nine hundred twelve".