212303344040 has 16 divisors (see below), whose sum is σ = 477682524180. Its totient is φ = 84921337600.

The previous prime is 212303344013. The next prime is 212303344133. The reversal of 212303344040 is 40443303212.

212303344040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 210811376164 + 1491967876 = 459142^2 + 38626^2 .

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 3 ways as a sum of consecutive naturals, for example, 2653791761 + ... + 2653791840.

Almost surely, 2^212303344040 is an apocalyptic number.

212303344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212303344040 is an abundant number, since it is smaller than the sum of its proper divisors (265379180140).

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

212303344040 is a wasteful number, since it uses less digits than its factorization.

212303344040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307583612 (or 5307583608 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 212303344040 its reverse (40443303212), we get a palindrome (252746647252).

The spelling of 212303344040 in words is "two hundred twelve billion, three hundred three million, three hundred forty-four thousand, forty".