149957233212 has 12 divisors (see below), whose sum is σ = 349900210856. Its totient is φ = 49985744400.

The previous prime is 149957233211. The next prime is 149957233229. The reversal of 149957233212 is 212332759941.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149957233211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6248218039 + ... + 6248218062.

Almost surely, 2^149957233212 is an apocalyptic number.

149957233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149957233212 is an abundant number, since it is smaller than the sum of its proper divisors (199942977644).

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

149957233212 is a wasteful number, since it uses less digits than its factorization.

149957233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12496436108 (or 12496436106 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The spelling of 149957233212 in words is "one hundred forty-nine billion, nine hundred fifty-seven million, two hundred thirty-three thousand, two hundred twelve".