122440630311 has 12 divisors (see below), whose sum is σ = 178989516888. Its totient is φ = 80643627504.

The previous prime is 122440630237. The next prime is 122440630379. The reversal of 122440630311 is 113036044221.

It is a happy number.

122440630311 is a `hidden beast` number, since 1 + 2 + 24 + 4 + 0 + 630 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 122440630311 - 2¹⁰ = 122440629287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440635311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81954160 + ... + 81955653.

It is an arithmetic number, because the mean of its divisors is an integer number (14915793074).

Almost surely, 2^122440630311 is an apocalyptic number.

122440630311 is a deficient number, since it is larger than the sum of its proper divisors (56548886577).

122440630311 is a wasteful number, since it uses less digits than its factorization.

122440630311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163909902 (or 163909899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 122440630311 its reverse (113036044221), we get a palindrome (235476674532).

The spelling of 122440630311 in words is "one hundred twenty-two billion, four hundred forty million, six hundred thirty thousand, three hundred eleven".