201212021120012 has 24 divisors (see below), whose sum is σ = 406572743711904. Its totient is φ = 85344715878912.

The previous prime is 201212021119973. The next prime is 201212021120029. The reversal of 201212021120012 is 210021120212102.

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, 37041974663 + ... + 37041980094.

It is an arithmetic number, because the mean of its divisors is an integer number (16940530987996).

Almost surely, 2^{201212021120012} is an apocalyptic number.

It is an amenable number.

201212021120012 is an abundant number, since it is smaller than the sum of its proper divisors (205360722591892).

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

201212021120012 is a wasteful number, since it uses less digits than its factorization.

201212021120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74083954865 (or 74083954863 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212021120012 its reverse (210021120212102), we get a palindrome (411233141332114).

The spelling of 201212021120012 in words is "two hundred one trillion, two hundred twelve billion, twenty-one million, one hundred twenty thousand, twelve".