12190651077 has 16 divisors (see below), whose sum is σ = 17736211008. Its totient is φ = 7386458880.

The previous prime is 12190651051. The next prime is 12190651087. The reversal of 12190651077 is 77015609121.

It is not a de Polignac number, because 12190651077 - 2⁶ = 12190651013 is a prime.

It is a super-2 number, since 2×12190651077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12190651007) 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, 97783 + ... + 184235.

It is an arithmetic number, because the mean of its divisors is an integer number (1108513188).

Almost surely, 2^12190651077 is an apocalyptic number.

It is an amenable number.

12190651077 is a deficient number, since it is larger than the sum of its proper divisors (5545559931).

12190651077 is a wasteful number, since it uses less digits than its factorization.

12190651077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90740.

The product of its (nonzero) digits is 26460, while the sum is 39.

The spelling of 12190651077 in words is "twelve billion, one hundred ninety million, six hundred fifty-one thousand, seventy-seven".