12423302772 has 24 divisors (see below), whose sum is σ = 30692866176. Its totient is φ = 3897506688.

The previous prime is 12423302747. The next prime is 12423302783. The reversal of 12423302772 is 27720332421.

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, 30449068 + ... + 30449475.

It is an arithmetic number, because the mean of its divisors is an integer number (1278869424).

Almost surely, 2^12423302772 is an apocalyptic number.

12423302772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12423302772 is an abundant number, since it is smaller than the sum of its proper divisors (18269563404).

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

12423302772 is a wasteful number, since it uses less digits than its factorization.

12423302772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60898567 (or 60898565 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 12423302772 in words is "twelve billion, four hundred twenty-three million, three hundred two thousand, seven hundred seventy-two".