12252021655302 has 192 divisors, whose sum is σ = 32480846968320. Its totient is φ = 3393204048000.

The previous prime is 12252021655277. The next prime is 12252021655381. The reversal of 12252021655302 is 20355612025221.

12252021655302 is a `hidden beast` number, since 1 + 2 + 2 + 520 + 21 + 65 + 53 + 0 + 2 = 666.

It is a super-2 number, since 2×12252021655302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9534783 + ... + 10743189.

It is an arithmetic number, because the mean of its divisors is an integer number (169171077960).

Almost surely, 2^{12252021655302} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12252021655302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16240423484160).

12252021655302 is an abundant number, since it is smaller than the sum of its proper divisors (20228825313018).

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

12252021655302 is a wasteful number, since it uses less digits than its factorization.

12252021655302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208556 (or 1208537 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 12252021655302 in words is "twelve trillion, two hundred fifty-two billion, twenty-one million, six hundred fifty-five thousand, three hundred two".