12192436651 has 4 divisors (see below), whose sum is σ = 12196399600. Its totient is φ = 12188473704.

The previous prime is 12192436603. The next prime is 12192436681. The reversal of 12192436651 is 15663429121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12192436651 - 2⁷ = 12192436523 is a prime.

It is a super-2 number, since 2×12192436651² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12192436681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976856 + ... + 1983013.

It is an arithmetic number, because the mean of its divisors is an integer number (3049099900).

Almost surely, 2^12192436651 is an apocalyptic number.

12192436651 is a deficient number, since it is larger than the sum of its proper divisors (3962949).

12192436651 is an equidigital number, since it uses as much as digits as its factorization.

12192436651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962948.

The product of its digits is 77760, while the sum is 40.

The spelling of 12192436651 in words is "twelve billion, one hundred ninety-two million, four hundred thirty-six thousand, six hundred fifty-one".