12227664961 has 8 divisors (see below), whose sum is σ = 12825417600. Its totient is φ = 11635421952.

The previous prime is 12227664931. The next prime is 12227664997. The reversal of 12227664961 is 16946672221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12227664961 - 2¹⁷ = 12227533889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12227664931) 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, 1372861 + ... + 1381738.

It is an arithmetic number, because the mean of its divisors is an integer number (1603177200).

Almost surely, 2^12227664961 is an apocalyptic number.

It is an amenable number.

12227664961 is a deficient number, since it is larger than the sum of its proper divisors (597752639).

12227664961 is a wasteful number, since it uses less digits than its factorization.

12227664961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754815.

The product of its digits is 435456, while the sum is 46.

The spelling of 12227664961 in words is "twelve billion, two hundred twenty-seven million, six hundred sixty-four thousand, nine hundred sixty-one".