200012112121110 has 64 divisors (see below), whose sum is σ = 508906144825344. Its totient is φ = 50221001116800.

The previous prime is 200012112121097. The next prime is 200012112121177. The reversal of 200012112121110 is 11121211210002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200012112121110.

It is a congruent number.

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, 2906273526 + ... + 2906342345.

It is an arithmetic number, because the mean of its divisors is an integer number (7951658512896).

Almost surely, 2^{200012112121110} is an apocalyptic number.

200012112121110 is an abundant number, since it is smaller than the sum of its proper divisors (308894032704234).

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

200012112121110 is a wasteful number, since it uses less digits than its factorization.

200012112121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812615949.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200012112121110 its reverse (11121211210002), we get a palindrome (211133323331112).

The spelling of 200012112121110 in words is "two hundred trillion, twelve billion, one hundred twelve million, one hundred twenty-one thousand, one hundred ten".