12011111024 has 20 divisors (see below), whose sum is σ = 25387121400. Its totient is φ = 5459595840.

The previous prime is 12011110973. The next prime is 12011111033. The reversal of 12011111024 is 42011111021.

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, 34122299 + ... + 34122650.

It is an arithmetic number, because the mean of its divisors is an integer number (1269356070).

Almost surely, 2^12011111024 is an apocalyptic number.

It is an amenable number.

12011111024 is an abundant number, since it is smaller than the sum of its proper divisors (13376010376).

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

12011111024 is a wasteful number, since it uses less digits than its factorization.

12011111024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68244968 (or 68244962 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12011111024 its reverse (42011111021), we get a palindrome (54022222045).

The spelling of 12011111024 in words is "twelve billion, eleven million, one hundred eleven thousand, twenty-four".