201012000012 has 72 divisors (see below), whose sum is σ = 538760804400. Its totient is φ = 63014105088.

The previous prime is 201012000011. The next prime is 201012000017. The reversal of 201012000012 is 210000210102.

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 = 201011999958 and 201012000003.

It is not an unprimeable number, because it can be changed into a prime (201012000011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 978837 + ... + 1166252.

It is an arithmetic number, because the mean of its divisors is an integer number (7482788950).

Almost surely, 2^201012000012 is an apocalyptic number.

It is an amenable number.

201012000012 is an abundant number, since it is smaller than the sum of its proper divisors (337748804388).

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

201012000012 is a wasteful number, since it uses less digits than its factorization.

201012000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145255 (or 2145250 counting only the distinct ones).

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

Adding to 201012000012 its reverse (210000210102), we get a palindrome (411012210114).

The spelling of 201012000012 in words is "two hundred one billion, twelve million, twelve", and thus it is an aban number.