1212200200122 has 32 divisors (see below), whose sum is σ = 2503420846080. Its totient is φ = 390905138160.

The previous prime is 1212200200069. The next prime is 1212200200157. The reversal of 1212200200122 is 2210020022121.

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, 485638 + ... + 1631025.

It is an arithmetic number, because the mean of its divisors is an integer number (78231901440).

Almost surely, 2^{1212200200122} is an apocalyptic number.

1212200200122 is an abundant number, since it is smaller than the sum of its proper divisors (1291220645958).

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

1212200200122 is a wasteful number, since it uses less digits than its factorization.

1212200200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119778.

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

Adding to 1212200200122 its reverse (2210020022121), we get a palindrome (3422220222243).

The spelling of 1212200200122 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred thousand, one hundred twenty-two".