20000200121212 has 6 divisors (see below), whose sum is σ = 35000350212128. Its totient is φ = 10000100060604.

The previous prime is 20000200121201. The next prime is 20000200121219. The reversal of 20000200121212 is 21212100200002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000200121192 and 20000200121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000200121219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500025015148 + ... + 2500025015155.

Almost surely, 2^{20000200121212} is an apocalyptic number.

It is an amenable number.

20000200121212 is a deficient number, since it is larger than the sum of its proper divisors (15000150090916).

20000200121212 is a wasteful number, since it uses less digits than its factorization.

20000200121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000050030307 (or 5000050030305 counting only the distinct ones).

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

Adding to 20000200121212 its reverse (21212100200002), we get a palindrome (41212300321214).

The spelling of 20000200121212 in words is "twenty trillion, two hundred million, one hundred twenty-one thousand, two hundred twelve".