120001120122 has 32 divisors (see below), whose sum is σ = 258629156352. Its totient is φ = 36899820864.

The previous prime is 120001120121. The next prime is 120001120139. The reversal of 120001120122 is 221021100021.

It is a junction number, because it is equal to n+sod(n) for n = 120001120098 and 120001120107.

It is not an unprimeable number, because it can be changed into a prime (120001120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368673 + ... + 613124.

It is an arithmetic number, because the mean of its divisors is an integer number (8082161136).

Almost surely, 2^120001120122 is an apocalyptic number.

120001120122 is an abundant number, since it is smaller than the sum of its proper divisors (138628036230).

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

120001120122 is a wasteful number, since it uses less digits than its factorization.

120001120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983382.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120001120122 its reverse (221021100021), we get a palindrome (341022220143).

The spelling of 120001120122 in words is "one hundred twenty billion, one million, one hundred twenty thousand, one hundred twenty-two".