212673997535 has 8 divisors (see below), whose sum is σ = 266304831840. Its totient is φ = 162741841504.

The previous prime is 212673997519. The next prime is 212673997573. The reversal of 212673997535 is 535799376212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212673997535 - 2⁴ = 212673997519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924669440 + ... + 924669669.

It is an arithmetic number, because the mean of its divisors is an integer number (33288103980).

Almost surely, 2^212673997535 is an apocalyptic number.

212673997535 is a deficient number, since it is larger than the sum of its proper divisors (53630834305).

212673997535 is a wasteful number, since it uses less digits than its factorization.

212673997535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849339137.

The product of its digits is 21432600, while the sum is 59.

The spelling of 212673997535 in words is "two hundred twelve billion, six hundred seventy-three million, nine hundred ninety-seven thousand, five hundred thirty-five".