200122001212 has 12 divisors (see below), whose sum is σ = 400244002480. Its totient is φ = 85766571936.

The previous prime is 200122001159. The next prime is 200122001243. The reversal of 200122001212 is 212100221002.

It is a happy number.

200122001212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 200122001192 and 200122001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573607137 + ... + 3573607192.

Almost surely, 2^200122001212 is an apocalyptic number.

It is an amenable number.

200122001212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200122001212 is a wasteful number, since it uses less digits than its factorization.

200122001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147214340 (or 7147214338 counting only the distinct ones).

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

Adding to 200122001212 its reverse (212100221002), we get a palindrome (412222222214).

The spelling of 200122001212 in words is "two hundred billion, one hundred twenty-two million, one thousand, two hundred twelve".