12389272284 has 24 divisors (see below), whose sum is σ = 29035657728. Its totient is φ = 4111563760.

The previous prime is 12389272283. The next prime is 12389272309. The reversal of 12389272284 is 48227298321.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389272283) 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, 2271372 + ... + 2276819.

It is an arithmetic number, because the mean of its divisors is an integer number (1209819072).

Almost surely, 2^12389272284 is an apocalyptic number.

It is an amenable number.

12389272284 is an abundant number, since it is smaller than the sum of its proper divisors (16646385444).

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

12389272284 is a wasteful number, since it uses less digits than its factorization.

12389272284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548425 (or 4548423 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The spelling of 12389272284 in words is "twelve billion, three hundred eighty-nine million, two hundred seventy-two thousand, two hundred eighty-four".