12921250848937 has 16 divisors (see below), whose sum is σ = 13273247554560. Its totient is φ = 12573684257472.

The previous prime is 12921250848931. The next prime is 12921250848977. The reversal of 12921250848937 is 73984805212921.

It is a cyclic number.

It is not a de Polignac number, because 12921250848937 - 2¹⁹ = 12921250324649 is a prime.

It is a super-3 number, since 3×12921250848937³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12921250848931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147228 + ... + 5211394.

It is an arithmetic number, because the mean of its divisors is an integer number (829577972160).

Almost surely, 2^{12921250848937} is an apocalyptic number.

It is an amenable number.

12921250848937 is a deficient number, since it is larger than the sum of its proper divisors (351996705623).

12921250848937 is a wasteful number, since it uses less digits than its factorization.

12921250848937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064712.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 12921250848937 in words is "twelve trillion, nine hundred twenty-one billion, two hundred fifty million, eight hundred forty-eight thousand, nine hundred thirty-seven".