1200122220022 has 32 divisors (see below), whose sum is σ = 1970442969120. Its totient is φ = 543675525120.

The previous prime is 1200122220013. The next prime is 1200122220071. The reversal of 1200122220022 is 2200222210021.

It is a junction number, because it is equal to n+sod(n) for n = 1200122219978 and 1200122220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56681854 + ... + 56703022.

It is an arithmetic number, because the mean of its divisors is an integer number (61576342785).

Almost surely, 2^{1200122220022} is an apocalyptic number.

1200122220022 is a deficient number, since it is larger than the sum of its proper divisors (770320749098).

1200122220022 is a wasteful number, since it uses less digits than its factorization.

1200122220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29728.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1200122220022 its reverse (2200222210021), we get a palindrome (3400344430043).

The spelling of 1200122220022 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred twenty thousand, twenty-two".