12344520852 has 30 divisors (see below), whose sum is σ = 32271016778. Its totient is φ = 4114840176.

The previous prime is 12344520841. The next prime is 12344520869. The reversal of 12344520852 is 25802544321.

12344520852 is a `hidden beast` number, since 1 + 2 + 3 + 445 + 208 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6969578256 + 5374942596 = 83484^2 + 73314^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19049863 + ... + 19050510.

Almost surely, 2^12344520852 is an apocalyptic number.

12344520852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12344520852 is an abundant number, since it is smaller than the sum of its proper divisors (19926495926).

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

12344520852 is a wasteful number, since it uses less digits than its factorization.

12344520852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38100389 (or 38100378 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 12344520852 in words is "twelve billion, three hundred forty-four million, five hundred twenty thousand, eight hundred fifty-two".