200122212012112 has 20 divisors (see below), whose sum is σ = 417562692371860. Its totient is φ = 92364097851648.

The previous prime is 200122212012091. The next prime is 200122212012119. The reversal of 200122212012112 is 211210212221002.

It can be written as a sum of positive squares in 2 ways, for example, as 138420495770176 + 61701716241936 = 11765224^2 + 7855044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200122212012112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122212012119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481063009437 + ... + 481063009852.

It is an arithmetic number, because the mean of its divisors is an integer number (20878134618593).

Almost surely, 2^{200122212012112} is an apocalyptic number.

It is an amenable number.

200122212012112 is an abundant number, since it is smaller than the sum of its proper divisors (217440480359748).

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

200122212012112 is a wasteful number, since it uses less digits than its factorization.

200122212012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962126019310 (or 962126019304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200122212012112 its reverse (211210212221002), we get a palindrome (411332424233114).

The spelling of 200122212012112 in words is "two hundred trillion, one hundred twenty-two billion, two hundred twelve million, twelve thousand, one hundred twelve".