12136404276 has 72 divisors (see below), whose sum is σ = 30883454784. Its totient is φ = 4018481280.

The previous prime is 12136404263. The next prime is 12136404283. The reversal of 12136404276 is 67240463121.

12136404276 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 640 + 4 + 2 + 7 + 6 = 666.

12136404276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12136404276² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12136404276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4083471 + ... + 4086441.

It is an arithmetic number, because the mean of its divisors is an integer number (428936872).

Almost surely, 2^12136404276 is an apocalyptic number.

It is an amenable number.

12136404276 is an abundant number, since it is smaller than the sum of its proper divisors (18747050508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12136404276 is a wasteful number, since it uses less digits than its factorization.

12136404276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

Adding to 12136404276 its reverse (67240463121), we get a palindrome (79376867397).

The spelling of 12136404276 in words is "twelve billion, one hundred thirty-six million, four hundred four thousand, two hundred seventy-six".