201020100000012 has 36 divisors (see below), whose sum is σ = 521867496850336. Its totient is φ = 65195708107680.

The previous prime is 201020099999969. The next prime is 201020100000101. The reversal of 201020100000012 is 210000001020102.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×201020100000012³ (a number of 44 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75457994164 + ... + 75457996827.

Almost surely, 2^{201020100000012} is an apocalyptic number.

It is an amenable number.

201020100000012 is an abundant number, since it is smaller than the sum of its proper divisors (320847396850324).

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

201020100000012 is a wasteful number, since it uses less digits than its factorization.

201020100000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150915991038 (or 150915991033 counting only the distinct ones).

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

Adding to 201020100000012 its reverse (210000001020102), we get a palindrome (411020101020114).

The spelling of 201020100000012 in words is "two hundred one trillion, twenty billion, one hundred million, twelve", and thus it is an aban number.