1200122020202 has 64 divisors (see below), whose sum is σ = 2173205099520. Its totient is φ = 486222621696.

The previous prime is 1200122020177. The next prime is 1200122020213. The reversal of 1200122020202 is 2020202210021.

It is a super-2 number, since 2×1200122020202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3912623 + ... + 4208189.

It is an arithmetic number, because the mean of its divisors is an integer number (33956329680).

Almost surely, 2^{1200122020202} is an apocalyptic number.

1200122020202 is a deficient number, since it is larger than the sum of its proper divisors (973083079318).

1200122020202 is a wasteful number, since it uses less digits than its factorization.

1200122020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295815.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200122020202 its reverse (2020202210021), we get a palindrome (3220324230223).

The spelling of 1200122020202 in words is "one trillion, two hundred billion, one hundred twenty-two million, twenty thousand, two hundred two".