212978732998 has 16 divisors (see below), whose sum is σ = 320103997200. Its totient is φ = 106277565856.

The previous prime is 212978732983. The next prime is 212978733031. The reversal of 212978732998 is 899237879212.

212978732998 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 7 ways as a sum of consecutive naturals, for example, 2622336 + ... + 2702332.

It is an arithmetic number, because the mean of its divisors is an integer number (20006499825).

Almost surely, 2^212978732998 is an apocalyptic number.

212978732998 is a deficient number, since it is larger than the sum of its proper divisors (107125264202).

212978732998 is a wasteful number, since it uses less digits than its factorization.

212978732998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82631.

The product of its digits is 54867456, while the sum is 67.

The spelling of 212978732998 in words is "two hundred twelve billion, nine hundred seventy-eight million, seven hundred thirty-two thousand, nine hundred ninety-eight".