212282374745 has 16 divisors (see below), whose sum is σ = 293255157888. Its totient is φ = 144502535040.

The previous prime is 212282374739. The next prime is 212282374753. The reversal of 212282374745 is 547473282212.

It is not a de Polignac number, because 212282374745 - 2¹⁴ = 212282358361 is a prime.

It is a super-2 number, since 2×212282374745² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212282374745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22131011 + ... + 22140600.

It is an arithmetic number, because the mean of its divisors is an integer number (18328447368).

Almost surely, 2^212282374745 is an apocalyptic number.

It is an amenable number.

212282374745 is a deficient number, since it is larger than the sum of its proper divisors (80972783143).

212282374745 is a wasteful number, since it uses less digits than its factorization.

212282374745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44271760.

The product of its digits is 1505280, while the sum is 47.

The spelling of 212282374745 in words is "two hundred twelve billion, two hundred eighty-two million, three hundred seventy-four thousand, seven hundred forty-five".