12011323142004 has 48 divisors (see below), whose sum is σ = 28285625269440. Its totient is φ = 3966750558720.

The previous prime is 12011323142003. The next prime is 12011323142017. The reversal of 12011323142004 is 40024132311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011323142003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17814919 + ... + 18476849.

It is an arithmetic number, because the mean of its divisors is an integer number (589283859780).

Almost surely, 2^{12011323142004} is an apocalyptic number.

It is an amenable number.

12011323142004 is an abundant number, since it is smaller than the sum of its proper divisors (16274302127436).

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

12011323142004 is a wasteful number, since it uses less digits than its factorization.

12011323142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675920 (or 675918 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12011323142004 its reverse (40024132311021), we get a palindrome (52035455453025).

The spelling of 12011323142004 in words is "twelve trillion, eleven billion, three hundred twenty-three million, one hundred forty-two thousand, four".