12965954512 has 40 divisors (see below), whose sum is σ = 28929523392. Its totient is φ = 5514412800.

The previous prime is 12965954509. The next prime is 12965954537. The reversal of 12965954512 is 21545956921.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427189 + ... + 456532.

Almost surely, 2^12965954512 is an apocalyptic number.

It is an amenable number.

12965954512 is an abundant number, since it is smaller than the sum of its proper divisors (15963568880).

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

12965954512 is a wasteful number, since it uses less digits than its factorization.

12965954512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883867 (or 883861 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The spelling of 12965954512 in words is "twelve billion, nine hundred sixty-five million, nine hundred fifty-four thousand, five hundred twelve".