12111133012 has 12 divisors (see below), whose sum is σ = 23121254016. Its totient is φ = 5505060440.

The previous prime is 12111132959. The next prime is 12111133031. The reversal of 12111133012 is 21033111121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137626468 + ... + 137626555.

It is an arithmetic number, because the mean of its divisors is an integer number (1926771168).

Almost surely, 2^12111133012 is an apocalyptic number.

It is an amenable number.

12111133012 is a deficient number, since it is larger than the sum of its proper divisors (11010121004).

12111133012 is a wasteful number, since it uses less digits than its factorization.

12111133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275253038 (or 275253036 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12111133012 its reverse (21033111121), we get a palindrome (33144244133).

The spelling of 12111133012 in words is "twelve billion, one hundred eleven million, one hundred thirty-three thousand, twelve".