122113244420 has 12 divisors (see below), whose sum is σ = 256437813324. Its totient is φ = 48845297760.

The previous prime is 122113244411. The next prime is 122113244441. The reversal of 122113244420 is 24442311221.

It can be written as a sum of positive squares in 2 ways, for example, as 40636109056 + 81477135364 = 201584^2 + 285442^2 .

It is a super-2 number, since 2×122113244420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122113244420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052831091 + ... + 3052831130.

It is an arithmetic number, because the mean of its divisors is an integer number (21369817777).

Almost surely, 2^122113244420 is an apocalyptic number.

122113244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122113244420 is an abundant number, since it is smaller than the sum of its proper divisors (134324568904).

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

122113244420 is a wasteful number, since it uses less digits than its factorization.

122113244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105662230 (or 6105662228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 122113244420 its reverse (24442311221), we get a palindrome (146555555641).

The spelling of 122113244420 in words is "one hundred twenty-two billion, one hundred thirteen million, two hundred forty-four thousand, four hundred twenty".