120121200122 has 64 divisors (see below), whose sum is σ = 228475876608. Its totient is φ = 46002816000.

The previous prime is 120121200107. The next prime is 120121200127. The reversal of 120121200122 is 221002121021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120121200097 and 120121200106.

It is not an unprimeable number, because it can be changed into a prime (120121200127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18531122 + ... + 18537602.

It is an arithmetic number, because the mean of its divisors is an integer number (3569935572).

Almost surely, 2^120121200122 is an apocalyptic number.

120121200122 is a deficient number, since it is larger than the sum of its proper divisors (108354676486).

120121200122 is a wasteful number, since it uses less digits than its factorization.

120121200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8535.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120121200122 its reverse (221002121021), we get a palindrome (341123321143).

The spelling of 120121200122 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thousand, one hundred twenty-two".