212583245715 has 40 divisors (see below), whose sum is σ = 381155924160. Its totient is φ = 113353699968.

The previous prime is 212583245647. The next prime is 212583245729. The reversal of 212583245715 is 517542385212.

212583245715 is a `hidden beast` number, since 2 + 1 + 2 + 58 + 3 + 24 + 571 + 5 = 666.

It is not a de Polignac number, because 212583245715 - 2¹³ = 212583237523 is a prime.

It is a super-2 number, since 2×212583245715² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1946326 + ... + 2052644.

It is an arithmetic number, because the mean of its divisors is an integer number (9528898104).

Almost surely, 2^212583245715 is an apocalyptic number.

212583245715 is a deficient number, since it is larger than the sum of its proper divisors (168572678445).

212583245715 is a wasteful number, since it uses less digits than its factorization.

212583245715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111273 (or 111264 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 212583245715 in words is "two hundred twelve billion, five hundred eighty-three million, two hundred forty-five thousand, seven hundred fifteen".