12951704064 has 160 divisors (see below), whose sum is σ = 38775268224. Its totient is φ = 3811737600.

The previous prime is 12951704047. The next prime is 12951704069. The reversal of 12951704064 is 46040715921.

It is a super-2 number, since 2×12951704064² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (12951704069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445164 + ... + 473364.

Almost surely, 2^12951704064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12951704064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19387634112).

12951704064 is an abundant number, since it is smaller than the sum of its proper divisors (25823564160).

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

12951704064 is a wasteful number, since it uses less digits than its factorization.

12951704064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28258 (or 28242 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12951704064 in words is "twelve billion, nine hundred fifty-one million, seven hundred four thousand, sixty-four".