868212340212 has 36 divisors (see below), whose sum is σ = 2356576353600. Its totient is φ = 248060668464.

The previous prime is 868212340207. The next prime is 868212340249. The reversal of 868212340212 is 212043212868.

It is a congruent number.

It is an unprimeable number.

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, 738275212 + ... + 738276387.

Almost surely, 2^868212340212 is an apocalyptic number.

It is an amenable number.

868212340212 is an abundant number, since it is smaller than the sum of its proper divisors (1488364013388).

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

868212340212 is a wasteful number, since it uses less digits than its factorization.

868212340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476551620 (or 1476551611 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 868212340212 in words is "eight hundred sixty-eight billion, two hundred twelve million, three hundred forty thousand, two hundred twelve".