120100342122 has 24 divisors (see below), whose sum is σ = 273913061760. Its totient is φ = 37926423720.

The previous prime is 120100342079. The next prime is 120100342139. The reversal of 120100342122 is 221243001021.

It is a happy number.

120100342122 is a `hidden beast` number, since 1 + 201 + 0 + 0 + 342 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120100342095 and 120100342104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175584954 + ... + 175585637.

It is an arithmetic number, because the mean of its divisors is an integer number (11413044240).

Almost surely, 2^120100342122 is an apocalyptic number.

120100342122 is an abundant number, since it is smaller than the sum of its proper divisors (153812719638).

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

120100342122 is a wasteful number, since it uses less digits than its factorization.

120100342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351170618 (or 351170615 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 120100342122 its reverse (221243001021), we get a palindrome (341343343143).

The spelling of 120100342122 in words is "one hundred twenty billion, one hundred million, three hundred forty-two thousand, one hundred twenty-two".