200122102012 has 24 divisors (see below), whose sum is σ = 400331527904. Its totient is φ = 85747902912.

The previous prime is 200122102007. The next prime is 200122102013. The reversal of 200122102012 is 210201221002.

It is a happy number.

200122102012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 200122101983 and 200122102001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122102013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648663 + ... + 906094.

Almost surely, 2^200122102012 is an apocalyptic number.

It is an amenable number.

200122102012 is an abundant number, since it is smaller than the sum of its proper divisors (200209425892).

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

200122102012 is a wasteful number, since it uses less digits than its factorization.

200122102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559365 (or 1559363 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200122102012 its reverse (210201221002), we get a palindrome (410323323014).

The spelling of 200122102012 in words is "two hundred billion, one hundred twenty-two million, one hundred two thousand, twelve".