212112121002202 has 16 divisors (see below), whose sum is σ = 333815796993024. Its totient is φ = 100952357958000.

The previous prime is 212112121002191. The next prime is 212112121002209. The reversal of 212112121002202 is 202200121211212.

It is a self number, because there is not a number n which added to its sum of digits gives 212112121002202.

It is not an unprimeable number, because it can be changed into a prime (212112121002209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28042317874 + ... + 28042325437.

It is an arithmetic number, because the mean of its divisors is an integer number (20863487312064).

Almost surely, 2^{212112121002202} is an apocalyptic number.

212112121002202 is a deficient number, since it is larger than the sum of its proper divisors (121703675990822).

212112121002202 is a wasteful number, since it uses less digits than its factorization.

212112121002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56084643405.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212112121002202 its reverse (202200121211212), we get a palindrome (414312242213414).

The spelling of 212112121002202 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two thousand, two hundred two".