201000122010012 has 24 divisors (see below), whose sum is σ = 505077229666576. Its totient is φ = 61846191387648.

The previous prime is 201000122010011. The next prime is 201000122010049. The reversal of 201000122010012 is 210010221000102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 201000122010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000122010011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644231160133 + ... + 644231160444.

Almost surely, 2^{201000122010012} is an apocalyptic number.

It is an amenable number.

201000122010012 is an abundant number, since it is smaller than the sum of its proper divisors (304077107656564).

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

201000122010012 is a wasteful number, since it uses less digits than its factorization.

201000122010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288462320597 (or 1288462320595 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201000122010012 its reverse (210010221000102), we get a palindrome (411010343010114).

The spelling of 201000122010012 in words is "two hundred one trillion, one hundred twenty-two million, ten thousand, twelve".