24012289812 has 144 divisors (see below), whose sum is σ = 68379873408. Its totient is φ = 6423029760.

The previous prime is 24012289789. The next prime is 24012289841. The reversal of 24012289812 is 21898221042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4779862 + ... + 4784882.

It is an arithmetic number, because the mean of its divisors is an integer number (474860232).

Almost surely, 2^24012289812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24012289812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34189936704).

24012289812 is an abundant number, since it is smaller than the sum of its proper divisors (44367583596).

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

24012289812 is a wasteful number, since it uses less digits than its factorization.

24012289812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5247 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 24012289812 in words is "twenty-four billion, twelve million, two hundred eighty-nine thousand, eight hundred twelve".