2100120002212 has 12 divisors (see below), whose sum is σ = 3675251917260. Its totient is φ = 1050048025856.

The previous prime is 2100120002203. The next prime is 2100120002237. The reversal of 2100120002212 is 2122000210012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 932371772836 + 1167748229376 = 965594^2 + 1080624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2100120002192 and 2100120002201.

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, 2593273 + ... + 3305344.

It is an arithmetic number, because the mean of its divisors is an integer number (306270993105).

Almost surely, 2^{2100120002212} is an apocalyptic number.

It is an amenable number.

2100120002212 is a deficient number, since it is larger than the sum of its proper divisors (1575131915048).

2100120002212 is a wasteful number, since it uses less digits than its factorization.

2100120002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987630 (or 5987628 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100120002212 its reverse (2122000210012), we get a palindrome (4222120212224).

The spelling of 2100120002212 in words is "two trillion, one hundred billion, one hundred twenty million, two thousand, two hundred twelve".