120001200002122 has 4 divisors (see below), whose sum is σ = 180001800003186. Its totient is φ = 60000600001060.

The previous prime is 120001200002113. The next prime is 120001200002149. The reversal of 120001200002122 is 221200002100021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67606200845401 + 52394999156721 = 8222299^2 + 7238439^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30000300000529 + ... + 30000300000532.

Almost surely, 2^{120001200002122} is an apocalyptic number.

120001200002122 is a deficient number, since it is larger than the sum of its proper divisors (60000600001064).

120001200002122 is an equidigital number, since it uses as much as digits as its factorization.

120001200002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60000600001063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120001200002122 its reverse (221200002100021), we get a palindrome (341201202102143).

The spelling of 120001200002122 in words is "one hundred twenty trillion, one billion, two hundred million, two thousand, one hundred twenty-two".