212799281692 has 48 divisors (see below), whose sum is σ = 380315628000. Its totient is φ = 104166881280.

The previous prime is 212799281689. The next prime is 212799281713. The reversal of 212799281692 is 296182997212.

212799281692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16301184 + ... + 16314232.

It is an arithmetic number, because the mean of its divisors is an integer number (7923242250).

Almost surely, 2^212799281692 is an apocalyptic number.

It is an amenable number.

212799281692 is a deficient number, since it is larger than the sum of its proper divisors (167516346308).

212799281692 is a wasteful number, since it uses less digits than its factorization.

212799281692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606 (or 13604 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The spelling of 212799281692 in words is "two hundred twelve billion, seven hundred ninety-nine million, two hundred eighty-one thousand, six hundred ninety-two".