1200122122203 has 32 divisors (see below), whose sum is σ = 1798510694400. Its totient is φ = 790838769600.

The previous prime is 1200122122189. The next prime is 1200122122223. The reversal of 1200122122203 is 3022212210021.

It is not a de Polignac number, because 1200122122203 - 2⁴ = 1200122122187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200122122223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7589718 + ... + 7746228.

It is an arithmetic number, because the mean of its divisors is an integer number (56203459200).

Almost surely, 2^{1200122122203} is an apocalyptic number.

1200122122203 is a deficient number, since it is larger than the sum of its proper divisors (598388572197).

1200122122203 is a wasteful number, since it uses less digits than its factorization.

1200122122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159800 (or 159794 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1200122122203 its reverse (3022212210021), we get a palindrome (4222334332224).

The spelling of 1200122122203 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred three".