122260280144 has 10 divisors (see below), whose sum is σ = 236879292810. Its totient is φ = 61130140064.

The previous prime is 122260280137. The next prime is 122260280171. The reversal of 122260280144 is 441082062221.

It can be written as a sum of positive squares in only one way, i.e., 111756490000 + 10503790144 = 334300^2 + 102488^2 .

It is a super-2 number, since 2×122260280144² (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 122260280144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820633739 + ... + 3820633770.

It is an arithmetic number, because the mean of its divisors is an integer number (23687929281).

Almost surely, 2^122260280144 is an apocalyptic number.

It is an amenable number.

122260280144 is a deficient number, since it is larger than the sum of its proper divisors (114619012666).

122260280144 is an equidigital number, since it uses as much as digits as its factorization.

122260280144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641267517 (or 7641267511 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 122260280144 in words is "one hundred twenty-two billion, two hundred sixty million, two hundred eighty thousand, one hundred forty-four".