201312120002122 has 16 divisors (see below), whose sum is σ = 303746559393600. Its totient is φ = 100064136709152.

The previous prime is 201312120002017. The next prime is 201312120002153. The reversal of 201312120002122 is 221200021213102.

It is a self number, because there is not a number n which added to its sum of digits gives 201312120002122.

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, 216996003 + ... + 217921750.

It is an arithmetic number, because the mean of its divisors is an integer number (18984159962100).

Almost surely, 2^{201312120002122} is an apocalyptic number.

201312120002122 is a deficient number, since it is larger than the sum of its proper divisors (102434439391478).

201312120002122 is a wasteful number, since it uses less digits than its factorization.

201312120002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434919117.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 201312120002122 its reverse (221200021213102), we get a palindrome (422512141215224).

The spelling of 201312120002122 in words is "two hundred one trillion, three hundred twelve billion, one hundred twenty million, two thousand, one hundred twenty-two".