120000000100122 has 12 divisors (see below), whose sum is σ = 260000000216970. Its totient is φ = 40000000033368.

The previous prime is 120000000100093. The next prime is 120000000100129. The reversal of 120000000100122 is 221001000000021.

It can be written as a sum of positive squares in only one way, i.e., 110452511910321 + 9547488189801 = 10509639^2 + 3089901^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120000000100129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3333333336097 + ... + 3333333336132.

Almost surely, 2^{120000000100122} is an apocalyptic number.

120000000100122 is an abundant number, since it is smaller than the sum of its proper divisors (140000000116848).

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

120000000100122 is a wasteful number, since it uses less digits than its factorization.

120000000100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666666672237 (or 6666666672234 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120000000100122 its reverse (221001000000021), we get a palindrome (341001000100143).

The spelling of 120000000100122 in words is "one hundred twenty trillion, one hundred thousand, one hundred twenty-two".