8111212893 has 48 divisors (see below), whose sum is σ = 13867484800. Its totient is φ = 4565683584.

The previous prime is 8111212891. The next prime is 8111212933. The reversal of 8111212893 is 3982121118.

It is a happy number.

It is not a de Polignac number, because 8111212893 - 2¹ = 8111212891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8111212891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187221 + ... + 226437.

Almost surely, 2^8111212893 is an apocalyptic number.

It is an amenable number.

8111212893 is a deficient number, since it is larger than the sum of its proper divisors (5756271907).

8111212893 is a wasteful number, since it uses less digits than its factorization.

8111212893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311 (or 39294 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 8111212893 is about 90062.2723064436. The cubic root of 8111212893 is about 2009.2251242013.

The spelling of 8111212893 in words is "eight billion, one hundred eleven million, two hundred twelve thousand, eight hundred ninety-three".