12046011840 has 168 divisors, whose sum is σ = 41506536240. Its totient is φ = 3206590464.

The previous prime is 12046011811. The next prime is 12046011871. The reversal of 12046011840 is 4811064021.

It is a happy number.

12046011840 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 601 + 18 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1773571 + ... + 1780349.

Almost surely, 2^12046011840 is an apocalyptic number.

12046011840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12046011840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20753268120).

12046011840 is an abundant number, since it is smaller than the sum of its proper divisors (29460524400).

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

12046011840 is a wasteful number, since it uses less digits than its factorization.

12046011840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 12046011840 its reverse (4811064021), we get a palindrome (16857075861).

The spelling of 12046011840 in words is "twelve billion, forty-six million, eleven thousand, eight hundred forty".