212230222100312 has 32 divisors (see below), whose sum is σ = 428888231259600. Its totient is φ = 97873224683904.

The previous prime is 212230222100293. The next prime is 212230222100317. The reversal of 212230222100312 is 213001222032212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230222100317) 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, 824719862 + ... + 824977157.

Almost surely, 2^{212230222100312} is an apocalyptic number.

It is an amenable number.

212230222100312 is an abundant number, since it is smaller than the sum of its proper divisors (216658009159288).

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

212230222100312 is a wasteful number, since it uses less digits than its factorization.

212230222100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649698275 (or 1649698271 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212230222100312 its reverse (213001222032212), we get a palindrome (425231444132524).

The spelling of 212230222100312 in words is "two hundred twelve trillion, two hundred thirty billion, two hundred twenty-two million, one hundred thousand, three hundred twelve".