12277787372 has 6 divisors (see below), whose sum is σ = 21486127908. Its totient is φ = 6138893684.

The previous prime is 12277787339. The next prime is 12277787461. The reversal of 12277787372 is 27378777221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534723418 + ... + 1534723425.

It is an arithmetic number, because the mean of its divisors is an integer number (3581021318).

Almost surely, 2^12277787372 is an apocalyptic number.

It is an amenable number.

12277787372 is a deficient number, since it is larger than the sum of its proper divisors (9208340536).

12277787372 is a wasteful number, since it uses less digits than its factorization.

12277787372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069446847 (or 3069446845 counting only the distinct ones).

The product of its digits is 3226944, while the sum is 53.

The spelling of 12277787372 in words is "twelve billion, two hundred seventy-seven million, seven hundred eighty-seven thousand, three hundred seventy-two".