12239367552 has 96 divisors (see below), whose sum is σ = 35242772760. Its totient is φ = 4077158400.

The previous prime is 12239367551. The next prime is 12239367659. The reversal of 12239367552 is 25576393221.

12239367552 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 93 + 6 + 7 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 12239367498 and 12239367507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239367551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2729152 + ... + 2733632.

Almost surely, 2^12239367552 is an apocalyptic number.

12239367552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12239367552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17621386380).

12239367552 is an abundant number, since it is smaller than the sum of its proper divisors (23003405208).

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

12239367552 is a wasteful number, since it uses less digits than its factorization.

12239367552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872 (or 6857 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The spelling of 12239367552 in words is "twelve billion, two hundred thirty-nine million, three hundred sixty-seven thousand, five hundred fifty-two".