12237922437391 has 16 divisors (see below), whose sum is σ = 14130392328448. Its totient is φ = 10382035420800.

The previous prime is 12237922437331. The next prime is 12237922437397. The reversal of 12237922437391 is 19373422973221.

It is a cyclic number.

It is not a de Polignac number, because 12237922437391 - 2⁹ = 12237922436879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237922437397) 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, 21977325 + ... + 22527286.

It is an arithmetic number, because the mean of its divisors is an integer number (883149520528).

Almost surely, 2^{12237922437391} is an apocalyptic number.

12237922437391 is a deficient number, since it is larger than the sum of its proper divisors (1892469891057).

12237922437391 is a wasteful number, since it uses less digits than its factorization.

12237922437391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505022.

The product of its digits is 6858432, while the sum is 55.

The spelling of 12237922437391 in words is "twelve trillion, two hundred thirty-seven billion, nine hundred twenty-two million, four hundred thirty-seven thousand, three hundred ninety-one".