1200121112202 has 32 divisors (see below), whose sum is σ = 2436156902400. Its totient is φ = 394055033328.

The previous prime is 1200121112137. The next prime is 1200121112249. The reversal of 1200121112202 is 2022111210021.

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, 18885999 + ... + 18949437.

It is an arithmetic number, because the mean of its divisors is an integer number (76129903200).

Almost surely, 2^{1200121112202} is an apocalyptic number.

1200121112202 is an abundant number, since it is smaller than the sum of its proper divisors (1236035790198).

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

1200121112202 is a wasteful number, since it uses less digits than its factorization.

1200121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110570.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200121112202 its reverse (2022111210021), we get a palindrome (3222232322223).

The spelling of 1200121112202 in words is "one trillion, two hundred billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".