12111143204 has 12 divisors (see below), whose sum is σ = 21449856624. Its totient is φ = 5982612744.

The previous prime is 12111143201. The next prime is 12111143207. The reversal of 12111143204 is 40234111121.

It is an interprime number because it is at equal distance from previous prime (12111143201) and next prime (12111143207).

It is a super-3 number, since 3×12111143204³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111143201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18239342 + ... + 18240005.

It is an arithmetic number, because the mean of its divisors is an integer number (1787488052).

Almost surely, 2^12111143204 is an apocalyptic number.

It is an amenable number.

12111143204 is a deficient number, since it is larger than the sum of its proper divisors (9338713420).

12111143204 is a wasteful number, since it uses less digits than its factorization.

12111143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36479434 (or 36479432 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12111143204 its reverse (40234111121), we get a palindrome (52345254325).

The spelling of 12111143204 in words is "twelve billion, one hundred eleven million, one hundred forty-three thousand, two hundred four".