12277786632 has 32 divisors (see below), whose sum is σ = 30699449280. Its totient is φ = 4091931200.

The previous prime is 12277786621. The next prime is 12277786639. The reversal of 12277786632 is 23668777221.

It is not an unprimeable number, because it can be changed into a prime (12277786639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122653 + ... + 198995.

It is an arithmetic number, because the mean of its divisors is an integer number (959357790).

Almost surely, 2^12277786632 is an apocalyptic number.

12277786632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12277786632 is an abundant number, since it is smaller than the sum of its proper divisors (18421662648).

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

12277786632 is a wasteful number, since it uses less digits than its factorization.

12277786632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83053 (or 83049 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The spelling of 12277786632 in words is "twelve billion, two hundred seventy-seven million, seven hundred eighty-six thousand, six hundred thirty-two".