201212110120 has 32 divisors (see below), whose sum is σ = 517402569600. Its totient is φ = 68987009088.

The previous prime is 201212110103. The next prime is 201212110133. The reversal of 201212110120 is 21011212102.

It is a self number, because there is not a number n which added to its sum of digits gives 201212110120.

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, 359307060 + ... + 359307619.

It is an arithmetic number, because the mean of its divisors is an integer number (16168830300).

Almost surely, 2^201212110120 is an apocalyptic number.

201212110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212110120 is an abundant number, since it is smaller than the sum of its proper divisors (316190459480).

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

201212110120 is a wasteful number, since it uses less digits than its factorization.

201212110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718614697 (or 718614693 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201212110120 its reverse (21011212102), we get a palindrome (222223322222).

The spelling of 201212110120 in words is "two hundred one billion, two hundred twelve million, one hundred ten thousand, one hundred twenty".