212812435823672 has 48 divisors (see below), whose sum is σ = 410964958862640. Its totient is φ = 103309308267648.

The previous prime is 212812435823633. The next prime is 212812435823719. The reversal of 212812435823672 is 276328534218212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40604573 + ... + 45545100.

It is an arithmetic number, because the mean of its divisors is an integer number (8561769976305).

Almost surely, 2^{212812435823672} is an apocalyptic number.

It is an amenable number.

212812435823672 is a deficient number, since it is larger than the sum of its proper divisors (198152523038968).

212812435823672 is a wasteful number, since it uses less digits than its factorization.

212812435823672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86149932 (or 86149885 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 56.

The spelling of 212812435823672 in words is "two hundred twelve trillion, eight hundred twelve billion, four hundred thirty-five million, eight hundred twenty-three thousand, six hundred seventy-two".