212310837072 has 80 divisors (see below), whose sum is σ = 610478714560. Its totient is φ = 70646256000.

The previous prime is 212310837071. The next prime is 212310837113. The reversal of 212310837072 is 270738013212.

212310837072 is a `hidden beast` number, since 212 + 3 + 1 + 0 + 8 + 370 + 72 = 666.

212310837072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212310837071) by changing a digit.

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, 183679 + ... + 677022.

It is an arithmetic number, because the mean of its divisors is an integer number (7630983932).

Almost surely, 2^212310837072 is an apocalyptic number.

It is an amenable number.

212310837072 is an abundant number, since it is smaller than the sum of its proper divisors (398167877488).

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

212310837072 is a wasteful number, since it uses less digits than its factorization.

212310837072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861289 (or 861277 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 212310837072 in words is "two hundred twelve billion, three hundred ten million, eight hundred thirty-seven thousand, seventy-two".