12227431612 has 24 divisors (see below), whose sum is σ = 23583939120. Its totient is φ = 5500623360.

The previous prime is 12227431609. The next prime is 12227431661. The reversal of 12227431612 is 21613472221.

It is a happy number.

It is a super-2 number, since 2×12227431612² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428187 + ... + 1436722.

It is an arithmetic number, because the mean of its divisors is an integer number (982664130).

Almost surely, 2^12227431612 is an apocalyptic number.

It is an amenable number.

12227431612 is a deficient number, since it is larger than the sum of its proper divisors (11356507508).

12227431612 is a wasteful number, since it uses less digits than its factorization.

12227431612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865021 (or 2865019 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The spelling of 12227431612 in words is "twelve billion, two hundred twenty-seven million, four hundred thirty-one thousand, six hundred twelve".