122310021210 has 64 divisors (see below), whose sum is σ = 334719931392. Its totient is φ = 28336075776.

The previous prime is 122310021181. The next prime is 122310021247. The reversal of 122310021210 is 12120013221.

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 122310021210.

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, 9217354 + ... + 9230613.

It is an arithmetic number, because the mean of its divisors is an integer number (5229998928).

Almost surely, 2^122310021210 is an apocalyptic number.

122310021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122310021210 is an abundant number, since it is smaller than the sum of its proper divisors (212409910182).

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

122310021210 is a wasteful number, since it uses less digits than its factorization.

122310021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18448007.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122310021210 its reverse (12120013221), we get a palindrome (134430034431).

The spelling of 122310021210 in words is "one hundred twenty-two billion, three hundred ten million, twenty-one thousand, two hundred ten".