12212723668872 has 64 divisors (see below), whose sum is σ = 30562087092480. Its totient is φ = 4066872556032.

The previous prime is 12212723668843. The next prime is 12212723668891. The reversal of 12212723668872 is 27886632721221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118757508 + ... + 118860300.

It is an arithmetic number, because the mean of its divisors is an integer number (477532610820).

Almost surely, 2^{12212723668872} is an apocalyptic number.

12212723668872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212723668872 is an abundant number, since it is smaller than the sum of its proper divisors (18349363423608).

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

12212723668872 is a wasteful number, since it uses less digits than its factorization.

12212723668872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107662 (or 107658 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 57.

The spelling of 12212723668872 in words is "twelve trillion, two hundred twelve billion, seven hundred twenty-three million, six hundred sixty-eight thousand, eight hundred seventy-two".