122644365602213 has 16 divisors (see below), whose sum is σ = 159826141601280. Its totient is φ = 91329223769856.

The previous prime is 122644365602201. The next prime is 122644365602233. The reversal of 122644365602213 is 312206563446221.

It is a cyclic number.

It is not a de Polignac number, because 122644365602213 - 2⁴ = 122644365602197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122644365602233) 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, 39639418493 + ... + 39639421586.

It is an arithmetic number, because the mean of its divisors is an integer number (9989133850080).

Almost surely, 2^{122644365602213} is an apocalyptic number.

122644365602213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122644365602213 is a deficient number, since it is larger than the sum of its proper divisors (37181775999067).

122644365602213 is a wasteful number, since it uses less digits than its factorization.

122644365602213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79278840116.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 122644365602213 in words is "one hundred twenty-two trillion, six hundred forty-four billion, three hundred sixty-five million, six hundred two thousand, two hundred thirteen".