20000200121012 has 24 divisors (see below), whose sum is σ = 35364022878912. Its totient is φ = 9896324702400.

The previous prime is 20000200120861. The next prime is 20000200121023. The reversal of 20000200121012 is 21012100200002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20000200120984 and 20000200121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15778814 + ... + 16999157.

It is an arithmetic number, because the mean of its divisors is an integer number (1473500953288).

Almost surely, 2^{20000200121012} is an apocalyptic number.

It is an amenable number.

20000200121012 is a deficient number, since it is larger than the sum of its proper divisors (15363822757900).

20000200121012 is a wasteful number, since it uses less digits than its factorization.

20000200121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32779559 (or 32779557 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20000200121012 its reverse (21012100200002), we get a palindrome (41012300321014).

The spelling of 20000200121012 in words is "twenty trillion, two hundred million, one hundred twenty-one thousand, twelve".