12776210136 has 32 divisors (see below), whose sum is σ = 35489473200. Its totient is φ = 4258736640.

The previous prime is 12776210119. The next prime is 12776210137. The reversal of 12776210136 is 63101267721.

It is a happy number.

12776210136 is a `hidden beast` number, since 1 + 27 + 7 + 621 + 0 + 1 + 3 + 6 = 666.

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 12776210136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776210137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29574345 + ... + 29574776.

Almost surely, 2^12776210136 is an apocalyptic number.

It is an amenable number.

12776210136 is an abundant number, since it is smaller than the sum of its proper divisors (22713263064).

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

12776210136 is a wasteful number, since it uses less digits than its factorization.

12776210136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59149136 (or 59149126 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 12776210136 its reverse (63101267721), we get a palindrome (75877477857).

The spelling of 12776210136 in words is "twelve billion, seven hundred seventy-six million, two hundred ten thousand, one hundred thirty-six".