212010111212202 has 24 divisors (see below), whose sum is σ = 463903312656420. Its totient is φ = 69970333732800.

The previous prime is 212010111212201. The next prime is 212010111212243. The reversal of 212010111212202 is 202212111010212.

It can be written as a sum of positive squares in 2 ways, for example, as 132752773941921 + 79257337270281 = 11521839^2 + 8902659^2 .

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 (212010111212201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58308609627 + ... + 58308613262.

Almost surely, 2^{212010111212202} is an apocalyptic number.

212010111212202 is an abundant number, since it is smaller than the sum of its proper divisors (251893201444218).

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

212010111212202 is a wasteful number, since it uses less digits than its factorization.

212010111212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116617222998 (or 116617222995 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212010111212202 its reverse (202212111010212), we get a palindrome (414222222222414).

The spelling of 212010111212202 in words is "two hundred twelve trillion, ten billion, one hundred eleven million, two hundred twelve thousand, two hundred two".