12136550351 has 4 divisors (see below), whose sum is σ = 12418795752. Its totient is φ = 11854304952.

The previous prime is 12136550329. The next prime is 12136550353. The reversal of 12136550351 is 15305563121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15305563121 = 2801 ⋅5464321.

It is a cyclic number.

It is not a de Polignac number, because 12136550351 - 2⁶ = 12136550287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136550353) 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, 141122636 + ... + 141122721.

It is an arithmetic number, because the mean of its divisors is an integer number (3104698938).

Almost surely, 2^12136550351 is an apocalyptic number.

12136550351 is a deficient number, since it is larger than the sum of its proper divisors (282245401).

12136550351 is an equidigital number, since it uses as much as digits as its factorization.

12136550351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282245400.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 12136550351 in words is "twelve billion, one hundred thirty-six million, five hundred fifty thousand, three hundred fifty-one".