20002012121200 has 30 divisors (see below), whose sum is σ = 48054834122144. Its totient is φ = 8000804848320.

The previous prime is 20002012121191. The next prime is 20002012121293. The reversal of 20002012121200 is 212121020002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25002514752 + ... + 25002515551.

Almost surely, 2^{20002012121200} is an apocalyptic number.

20002012121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002012121200 is an abundant number, since it is smaller than the sum of its proper divisors (28052822000944).

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

20002012121200 is a wasteful number, since it uses less digits than its factorization.

20002012121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50005030321 (or 50005030310 counting only the distinct ones).

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

Adding to 20002012121200 its reverse (212121020002), we get a palindrome (20214133141202).

The spelling of 20002012121200 in words is "twenty trillion, two billion, twelve million, one hundred twenty-one thousand, two hundred".