122310001320 has 128 divisors (see below), whose sum is σ = 418399914240. Its totient is φ = 28336066560.

The previous prime is 122310001249. The next prime is 122310001343. The reversal of 122310001320 is 23100013221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122310001320.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2279476 + ... + 2332515.

It is an arithmetic number, because the mean of its divisors is an integer number (3268749330).

Almost surely, 2^122310001320 is an apocalyptic number.

122310001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122310001320 is an abundant number, since it is smaller than the sum of its proper divisors (296089912920).

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

122310001320 is a wasteful number, since it uses less digits than its factorization.

122310001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612035 (or 4612031 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 122310001320 its reverse (23100013221), we get a palindrome (145410014541).

The spelling of 122310001320 in words is "one hundred twenty-two billion, three hundred ten million, one thousand, three hundred twenty".