1200122210022 has 32 divisors (see below), whose sum is σ = 2465369382624. Its totient is φ = 389188800000.

The previous prime is 1200122209969. The next prime is 1200122210033. The reversal of 1200122210022 is 2200122210021.

It is a junction number, because it is equal to n+sod(n) for n = 1200122209983 and 1200122210010.

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, 1925022 + ... + 2471022.

It is an arithmetic number, because the mean of its divisors is an integer number (77042793207).

Almost surely, 2^{1200122210022} is an apocalyptic number.

1200122210022 is an abundant number, since it is smaller than the sum of its proper divisors (1265247172602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200122210022 is a wasteful number, since it uses less digits than its factorization.

1200122210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555944.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200122210022 its reverse (2200122210021), we get a palindrome (3400244420043).

Subtracting 1200122210022 from its reverse (2200122210021), we obtain a palindrome (999999999999).

The spelling of 1200122210022 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, twenty-two".