12274638612 has 24 divisors (see below), whose sum is σ = 28664864256. Its totient is φ = 4088111808.

The previous prime is 12274638601. The next prime is 12274638613. The reversal of 12274638612 is 21683647221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274638613) 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, 414388 + ... + 443019.

It is an arithmetic number, because the mean of its divisors is an integer number (1194369344).

Almost surely, 2^12274638612 is an apocalyptic number.

12274638612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12274638612 is an abundant number, since it is smaller than the sum of its proper divisors (16390225644).

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

12274638612 is a wasteful number, since it uses less digits than its factorization.

12274638612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858607 (or 858605 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The spelling of 12274638612 in words is "twelve billion, two hundred seventy-four million, six hundred thirty-eight thousand, six hundred twelve".