120423213122 has 4 divisors (see below), whose sum is σ = 180634819686. Its totient is φ = 60211606560.

The previous prime is 120423213109. The next prime is 120423213143. The reversal of 120423213122 is 221312324021.

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., 99842728441 + 20580484681 = 315979^2 + 143459^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30105803279 + ... + 30105803282.

Almost surely, 2^120423213122 is an apocalyptic number.

120423213122 is a deficient number, since it is larger than the sum of its proper divisors (60211606564).

120423213122 is an equidigital number, since it uses as much as digits as its factorization.

120423213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60211606563.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 120423213122 its reverse (221312324021), we get a palindrome (341735537143).

The spelling of 120423213122 in words is "one hundred twenty billion, four hundred twenty-three million, two hundred thirteen thousand, one hundred twenty-two".