12764121952 has 96 divisors (see below), whose sum is σ = 26562816000. Its totient is φ = 6025840128.

The previous prime is 12764121949. The next prime is 12764122003. The reversal of 12764121952 is 25912146721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26209453 + ... + 26209939.

It is an arithmetic number, because the mean of its divisors is an integer number (276696000).

Almost surely, 2^12764121952 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 12764121952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13281408000).

12764121952 is an abundant number, since it is smaller than the sum of its proper divisors (13798694048).

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

12764121952 is a wasteful number, since it uses less digits than its factorization.

12764121952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 900 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The spelling of 12764121952 in words is "twelve billion, seven hundred sixty-four million, one hundred twenty-one thousand, nine hundred fifty-two".