12652798337172 has 576 divisors, whose sum is σ = 41669236224000. Its totient is φ = 3298905792000.

The previous prime is 12652798337171. The next prime is 12652798337197. The reversal of 12652798337172 is 27173389725621.

12652798337172 is a `hidden beast` number, since 1 + 2 + 6 + 52 + 79 + 83 + 371 + 72 = 666.

It is a super-2 number, since 2×12652798337172² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652798337171) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 325655547 + ... + 325694397.

It is an arithmetic number, because the mean of its divisors is an integer number (72342424000).

Almost surely, 2^{12652798337172} is an apocalyptic number.

12652798337172 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 12652798337172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20834618112000).

12652798337172 is an abundant number, since it is smaller than the sum of its proper divisors (29016437886828).

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

12652798337172 is a wasteful number, since it uses less digits than its factorization.

12652798337172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39017 (or 39002 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 63.

The spelling of 12652798337172 in words is "twelve trillion, six hundred fifty-two billion, seven hundred ninety-eight million, three hundred thirty-seven thousand, one hundred seventy-two".