123412401322111 has 64 divisors (see below), whose sum is σ = 148039175001600. Its totient is φ = 101645928000000.

The previous prime is 123412401322079. The next prime is 123412401322193. The reversal of 123412401322111 is 111223104214321.

It is a cyclic number.

It is not a de Polignac number, because 123412401322111 - 2⁵ = 123412401322079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123412401322111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412401322411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3290890861 + ... + 3290928361.

It is an arithmetic number, because the mean of its divisors is an integer number (2313112109400).

Almost surely, 2^{123412401322111} is an apocalyptic number.

123412401322111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123412401322111 is a deficient number, since it is larger than the sum of its proper divisors (24626773679489).

123412401322111 is a wasteful number, since it uses less digits than its factorization.

123412401322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44840.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 123412401322111 its reverse (111223104214321), we get a palindrome (234635505536432).

The spelling of 123412401322111 in words is "one hundred twenty-three trillion, four hundred twelve billion, four hundred one million, three hundred twenty-two thousand, one hundred eleven".