212212102302 has 24 divisors (see below), whose sum is σ = 460799017536. Its totient is φ = 70582578336.

The previous prime is 212212102301. The next prime is 212212102321. The reversal of 212212102302 is 203201212212.

212212102302 is a `hidden beast` number, since 2 + 1 + 221 + 210 + 230 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212102301) 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, 12890638 + ... + 12907089.

It is an arithmetic number, because the mean of its divisors is an integer number (19199959064).

Almost surely, 2^212212102302 is an apocalyptic number.

212212102302 is an abundant number, since it is smaller than the sum of its proper divisors (248586915234).

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

212212102302 is a wasteful number, since it uses less digits than its factorization.

212212102302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25798192 (or 25798189 counting only the distinct ones).

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

Adding to 212212102302 its reverse (203201212212), we get a palindrome (415413314514).

The spelling of 212212102302 in words is "two hundred twelve billion, two hundred twelve million, one hundred two thousand, three hundred two".