20200200121212 has 96 divisors (see below), whose sum is σ = 47497420353600. Its totient is φ = 6681705676800.

The previous prime is 20200200121183. The next prime is 20200200121217. The reversal of 20200200121212 is 21212100200202.

It is a junction number, because it is equal to n+sod(n) for n = 20200200121191 and 20200200121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200200121217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871099714 + ... + 871122902.

It is an arithmetic number, because the mean of its divisors is an integer number (494764795350).

Almost surely, 2^{20200200121212} is an apocalyptic number.

It is an amenable number.

20200200121212 is an abundant number, since it is smaller than the sum of its proper divisors (27297220232388).

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

20200200121212 is a wasteful number, since it uses less digits than its factorization.

20200200121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24527 (or 24525 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200200121212 its reverse (21212100200202), we get a palindrome (41412300321414).

The spelling of 20200200121212 in words is "twenty trillion, two hundred billion, two hundred million, one hundred twenty-one thousand, two hundred twelve".