200120022012 has 12 divisors (see below), whose sum is σ = 466946718056. Its totient is φ = 66706674000.

The previous prime is 200120021999. The next prime is 200120022019. The reversal of 200120022012 is 210220021002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 16676668501 = 200120022012 / (2 + 0 + 0 + 1 + 2 + 0 + 0 + 2 + 2 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120022019) 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, 8338334239 + ... + 8338334262.

Almost surely, 2^200120022012 is an apocalyptic number.

It is an amenable number.

200120022012 is an abundant number, since it is smaller than the sum of its proper divisors (266826696044).

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

200120022012 is a wasteful number, since it uses less digits than its factorization.

200120022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676668508 (or 16676668506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 200120022012 its reverse (210220021002), we get a palindrome (410340043014).

The spelling of 200120022012 in words is "two hundred billion, one hundred twenty million, twenty-two thousand, twelve".