2102201122412 has 12 divisors (see below), whose sum is σ = 3683388162216. Its totient is φ = 1049804504640.

The previous prime is 2102201122397. The next prime is 2102201122421. The reversal of 2102201122412 is 2142211022012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324010493 + ... + 324016980.

It is an arithmetic number, because the mean of its divisors is an integer number (306949013518).

Almost surely, 2^{2102201122412} is an apocalyptic number.

It is an amenable number.

2102201122412 is a deficient number, since it is larger than the sum of its proper divisors (1581187039804).

2102201122412 is a wasteful number, since it uses less digits than its factorization.

2102201122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648028288 (or 648028286 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2102201122412 its reverse (2142211022012), we get a palindrome (4244412144424).

The spelling of 2102201122412 in words is "two trillion, one hundred two billion, two hundred one million, one hundred twenty-two thousand, four hundred twelve".