200122120312 has 16 divisors (see below), whose sum is σ = 375248823840. Its totient is φ = 100055767296.

The previous prime is 200122120307. The next prime is 200122120313. The reversal of 200122120312 is 213021221002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122120313) 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, 498553 + ... + 805480.

It is an arithmetic number, because the mean of its divisors is an integer number (23453051490).

Almost surely, 2^200122120312 is an apocalyptic number.

It is an amenable number.

200122120312 is a deficient number, since it is larger than the sum of its proper divisors (175126703528).

200122120312 is a wasteful number, since it uses less digits than its factorization.

200122120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323222 (or 1323218 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200122120312 its reverse (213021221002), we get a palindrome (413143341314).

The spelling of 200122120312 in words is "two hundred billion, one hundred twenty-two million, one hundred twenty thousand, three hundred twelve".