201000020100012 has 72 divisors (see below), whose sum is σ = 596360420024096. Its totient is φ = 55876453461504.

The previous prime is 201000020100007. The next prime is 201000020100029. The reversal of 201000020100012 is 210001020000102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201000020099967 and 201000020100003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10778627533 + ... + 10778646180.

Almost surely, 2^{201000020100012} is an apocalyptic number.

It is an amenable number.

201000020100012 is an abundant number, since it is smaller than the sum of its proper divisors (395360399924084).

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

201000020100012 is a wasteful number, since it uses less digits than its factorization.

201000020100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21557273767 (or 21557273762 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201000020100012 its reverse (210001020000102), we get a palindrome (411001040100114).

The spelling of 201000020100012 in words is "two hundred one trillion, twenty million, one hundred thousand, twelve".