12245250006172 has 6 divisors (see below), whose sum is σ = 21429187510808. Its totient is φ = 6122625003084.

The previous prime is 12245250006127. The next prime is 12245250006211. The reversal of 12245250006172 is 27160005254221.

It is a super-2 number, since 2×12245250006172² (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 as a sum of consecutive naturals, namely, 1530656250768 + ... + 1530656250775.

Almost surely, 2^{12245250006172} is an apocalyptic number.

It is an amenable number.

12245250006172 is a deficient number, since it is larger than the sum of its proper divisors (9183937504636).

12245250006172 is a wasteful number, since it uses less digits than its factorization.

12245250006172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061312501547 (or 3061312501545 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 12245250006172 in words is "twelve trillion, two hundred forty-five billion, two hundred fifty million, six thousand, one hundred seventy-two".