212111011212202 has 16 divisors (see below), whose sum is σ = 320889907242432. Its totient is φ = 105151531101120.

The previous prime is 212111011212143. The next prime is 212111011212241. The reversal of 212111011212202 is 202212110111212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212111011212202.

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, 955464543 + ... + 955686514.

It is an arithmetic number, because the mean of its divisors is an integer number (20055619202652).

Almost surely, 2^{212111011212202} is an apocalyptic number.

212111011212202 is a deficient number, since it is larger than the sum of its proper divisors (108778896030230).

212111011212202 is a wasteful number, since it uses less digits than its factorization.

212111011212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911151533.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212111011212202 its reverse (202212110111212), we get a palindrome (414323121323414).

The spelling of 212111011212202 in words is "two hundred twelve trillion, one hundred eleven billion, eleven million, two hundred twelve thousand, two hundred two".