12227962656 has 96 divisors (see below), whose sum is σ = 39505753728. Its totient is φ = 3224954880.

The previous prime is 12227962651. The next prime is 12227962709. The reversal of 12227962656 is 65626972221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (12227962651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691125 + ... + 708596.

It is an arithmetic number, because the mean of its divisors is an integer number (411518268).

Almost surely, 2^12227962656 is an apocalyptic number.

12227962656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12227962656 is an abundant number, since it is smaller than the sum of its proper divisors (27277791072).

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

12227962656 is a wasteful number, since it uses less digits than its factorization.

12227962656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399754 (or 1399746 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 12227962656 in words is "twelve billion, two hundred twenty-seven million, nine hundred sixty-two thousand, six hundred fifty-six".