212403222304212 has 192 divisors, whose sum is σ = 513419020369920. Its totient is φ = 68313652452864.

The previous prime is 212403222304199. The next prime is 212403222304223.

212403222304212 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 212403222304212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4198745583 + ... + 4198796169.

It is an arithmetic number, because the mean of its divisors is an integer number (2674057397760).

Almost surely, 2^{212403222304212} is an apocalyptic number.

It is an amenable number.

212403222304212 is an abundant number, since it is smaller than the sum of its proper divisors (301015798065708).

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

212403222304212 is a wasteful number, since it uses less digits than its factorization.

212403222304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51230 (or 51228 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 212403222304212 in words is "two hundred twelve trillion, four hundred three billion, two hundred twenty-two million, three hundred four thousand, two hundred twelve".