122312313433220 has 48 divisors (see below), whose sum is σ = 277096441971888. Its totient is φ = 45178177474560.

The previous prime is 122312313433159. The next prime is 122312313433279. The reversal of 122312313433220 is 22334313213221.

It can be written as a sum of positive squares in 8 ways, for example, as 1351206307396 + 120961107125824 = 1162414^2 + 10998232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393775361 + ... + 3393811400.

It is an arithmetic number, because the mean of its divisors is an integer number (5772842541081).

Almost surely, 2^{122312313433220} is an apocalyptic number.

122312313433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122312313433220 is an abundant number, since it is smaller than the sum of its proper divisors (154784128538668).

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

122312313433220 is a wasteful number, since it uses less digits than its factorization.

122312313433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787586840 (or 6787586838 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 122312313433220 its reverse (22334313213221), we get a palindrome (144646626646441).

The spelling of 122312313433220 in words is "one hundred twenty-two trillion, three hundred twelve billion, three hundred thirteen million, four hundred thirty-three thousand, two hundred twenty".