122183358805780 has 48 divisors (see below), whose sum is σ = 271689045521040. Its totient is φ = 45996620249088.

The previous prime is 122183358805777. The next prime is 122183358805799. The reversal of 122183358805780 is 87508853381221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13196523820804 + 108986834984976 = 3632702^2 + 10439676^2 .

It is a super-2 number, since 2×122183358805780² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505554 + ... + 15704566.

It is an arithmetic number, because the mean of its divisors is an integer number (5660188448355).

Almost surely, 2^{122183358805780} is an apocalyptic number.

122183358805780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122183358805780 is an abundant number, since it is smaller than the sum of its proper divisors (149505686715260).

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

122183358805780 is a wasteful number, since it uses less digits than its factorization.

122183358805780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224348 (or 14224346 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 122183358805780 in words is "one hundred twenty-two trillion, one hundred eighty-three billion, three hundred fifty-eight million, eight hundred five thousand, seven hundred eighty".