12077721650552 has 16 divisors (see below), whose sum is σ = 22647106405440. Its totient is φ = 6038493275776.

The previous prime is 12077721650539. The next prime is 12077721650569. The reversal of 12077721650552 is 25505612777021.

It is a self number, because there is not a number n which added to its sum of digits gives 12077721650552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45804008 + ... + 46066935.

It is an arithmetic number, because the mean of its divisors is an integer number (1415444150340).

Almost surely, 2^{12077721650552} is an apocalyptic number.

It is an amenable number.

12077721650552 is a deficient number, since it is larger than the sum of its proper divisors (10569384754888).

12077721650552 is a wasteful number, since it uses less digits than its factorization.

12077721650552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91887382 (or 91887378 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 12077721650552 in words is "twelve trillion, seventy-seven billion, seven hundred twenty-one million, six hundred fifty thousand, five hundred fifty-two".