12111212092 has 24 divisors (see below), whose sum is σ = 24563589120. Its totient is φ = 5117412720.

The previous prime is 12111211951. The next prime is 12111212093. The reversal of 12111212092 is 29021211121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111212093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3044092 + ... + 3048067.

It is an arithmetic number, because the mean of its divisors is an integer number (1023482880).

Almost surely, 2^12111212092 is an apocalyptic number.

It is an amenable number.

12111212092 is an abundant number, since it is smaller than the sum of its proper divisors (12452377028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111212092 is a wasteful number, since it uses less digits than its factorization.

12111212092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092241 (or 6092239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12111212092 in words is "twelve billion, one hundred eleven million, two hundred twelve thousand, ninety-two".