2100212312202 has 24 divisors (see below), whose sum is σ = 4612795081284. Its totient is φ = 690480759744.

The previous prime is 2100212312201. The next prime is 2100212312227. The reversal of 2100212312202 is 2022132120012.

2100212312202 is a `hidden beast` number, since 210 + 0 + 2 + 1 + 231 + 220 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1817699864841 + 282512447361 = 1348221^2 + 531519^2 .

It is a super-2 number, since 2×2100212312202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2100212312201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799166233 + ... + 799168860.

Almost surely, 2^{2100212312202} is an apocalyptic number.

2100212312202 is an abundant number, since it is smaller than the sum of its proper divisors (2512582769082).

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

2100212312202 is a wasteful number, since it uses less digits than its factorization.

2100212312202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598335174 (or 1598335171 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2100212312202 its reverse (2022132120012), we get a palindrome (4122344432214).

The spelling of 2100212312202 in words is "two trillion, one hundred billion, two hundred twelve million, three hundred twelve thousand, two hundred two".