120012112211122 has 4 divisors (see below), whose sum is σ = 180018168316686. Its totient is φ = 60006056105560.

The previous prime is 120012112211099. The next prime is 120012112211183. The reversal of 120012112211122 is 221112211210021.

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., 86492771422201 + 33519340788921 = 9300149^2 + 5789589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120012112211122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30003028052779 + ... + 30003028052782.

Almost surely, 2^{120012112211122} is an apocalyptic number.

120012112211122 is a deficient number, since it is larger than the sum of its proper divisors (60006056105564).

120012112211122 is an equidigital number, since it uses as much as digits as its factorization.

120012112211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60006056105563.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120012112211122 its reverse (221112211210021), we get a palindrome (341124323421143).

The spelling of 120012112211122 in words is "one hundred twenty trillion, twelve billion, one hundred twelve million, two hundred eleven thousand, one hundred twenty-two".