12077362661 has 48 divisors (see below), whose sum is σ = 15830277120. Its totient is φ = 9123367680.

The previous prime is 12077362643. The next prime is 12077362663. The reversal of 12077362661 is 16626377021.

It is not a de Polignac number, because 12077362661 - 2¹⁴ = 12077346277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12077362663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1222580 + ... + 1232418.

It is an arithmetic number, because the mean of its divisors is an integer number (329797440).

Almost surely, 2^12077362661 is an apocalyptic number.

It is an amenable number.

12077362661 is a deficient number, since it is larger than the sum of its proper divisors (3752914459).

12077362661 is a wasteful number, since it uses less digits than its factorization.

12077362661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 12077362661 in words is "twelve billion, seventy-seven million, three hundred sixty-two thousand, six hundred sixty-one".