123122211013 has 8 divisors (see below), whose sum is σ = 123930642528. Its totient is φ = 122314891824.

The previous prime is 123122210969. The next prime is 123122211041. The reversal of 123122211013 is 310112221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123122211013 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 (123122218013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55395 + ... + 499312.

It is an arithmetic number, because the mean of its divisors is an integer number (15491330316).

Almost surely, 2^123122211013 is an apocalyptic number.

It is an amenable number.

123122211013 is a deficient number, since it is larger than the sum of its proper divisors (808431515).

123122211013 is a wasteful number, since it uses less digits than its factorization.

123122211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556163.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123122211013 its reverse (310112221321), we get a palindrome (433234432334).

The spelling of 123122211013 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred eleven thousand, thirteen".