20000202121212 has 48 divisors (see below), whose sum is σ = 47943961602432. Its totient is φ = 6484447621440.

The previous prime is 20000202121199. The next prime is 20000202121259. The reversal of 20000202121212 is 21212120200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000202121191 and 20000202121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5936614 + ... + 8674317.

It is an arithmetic number, because the mean of its divisors is an integer number (998832533384).

Almost surely, 2^{20000202121212} is an apocalyptic number.

It is an amenable number.

20000202121212 is an abundant number, since it is smaller than the sum of its proper divisors (27943759481220).

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

20000202121212 is a wasteful number, since it uses less digits than its factorization.

20000202121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14614058 (or 14614056 counting only the distinct ones).

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

Adding to 20000202121212 its reverse (21212120200002), we get a palindrome (41212322321214).

The spelling of 20000202121212 in words is "twenty trillion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".