12252622017550 has 48 divisors (see below), whose sum is σ = 22802528044800. Its totient is φ = 4898329048800.

The previous prime is 12252622017511. The next prime is 12252622017599. The reversal of 12252622017550 is 5571022625221.

It is a super-4 number, since 4×12252622017550⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850219845 + ... + 850234255.

It is an arithmetic number, because the mean of its divisors is an integer number (475052667600).

Almost surely, 2^{12252622017550} is an apocalyptic number.

12252622017550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12252622017550 is a deficient number, since it is larger than the sum of its proper divisors (10549906027250).

12252622017550 is a wasteful number, since it uses less digits than its factorization.

12252622017550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681 (or 22676 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 12252622017550 in words is "twelve trillion, two hundred fifty-two billion, six hundred twenty-two million, seventeen thousand, five hundred fifty".