201210120122012 has 24 divisors (see below), whose sum is σ = 352771346538240. Its totient is φ = 100418479992000.

The previous prime is 201210120121979. The next prime is 201210120122057. The reversal of 201210120122012 is 210221021012102.

It is a congruent number.

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, 16996739 + ... + 26292762.

It is an arithmetic number, because the mean of its divisors is an integer number (14698806105760).

Almost surely, 2^{201210120122012} is an apocalyptic number.

It is an amenable number.

201210120122012 is a deficient number, since it is larger than the sum of its proper divisors (151561226416228).

201210120122012 is a wasteful number, since it uses less digits than its factorization.

201210120122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43291661 (or 43291659 counting only the distinct ones).

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

Adding to 201210120122012 its reverse (210221021012102), we get a palindrome (411431141134114).

The spelling of 201210120122012 in words is "two hundred one trillion, two hundred ten billion, one hundred twenty million, one hundred twenty-two thousand, twelve".