122311153412540 has 48 divisors (see below), whose sum is σ = 260117229590400. Its totient is φ = 48302843277312.

The previous prime is 122311153412537. The next prime is 122311153412543. The reversal of 122311153412540 is 45214351113221.

It is an interprime number because it is at equal distance from previous prime (122311153412537) and next prime (122311153412543).

It is a self number, because there is not a number n which added to its sum of digits gives 122311153412540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122311153412543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31218422 + ... + 34917218.

It is an arithmetic number, because the mean of its divisors is an integer number (5419108949800).

Almost surely, 2^{122311153412540} is an apocalyptic number.

122311153412540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122311153412540 is an abundant number, since it is smaller than the sum of its proper divisors (137806076177860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122311153412540 is a wasteful number, since it uses less digits than its factorization.

122311153412540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719814 (or 3719812 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 122311153412540 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred fifty-three million, four hundred twelve thousand, five hundred forty".