12042132816 has 160 divisors (see below), whose sum is σ = 39051786240. Its totient is φ = 3117768192.

The previous prime is 12042132787. The next prime is 12042132821. The reversal of 12042132816 is 61823124021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105826 + ... + 187838.

It is an arithmetic number, because the mean of its divisors is an integer number (244073664).

Almost surely, 2^12042132816 is an apocalyptic number.

12042132816 is a gapful number since it is divisible by the number (16) 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 12042132816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19525893120).

12042132816 is an abundant number, since it is smaller than the sum of its proper divisors (27009653424).

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

12042132816 is a wasteful number, since it uses less digits than its factorization.

12042132816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82073 (or 82067 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 12042132816 its reverse (61823124021), we get a palindrome (73865256837).

The spelling of 12042132816 in words is "twelve billion, forty-two million, one hundred thirty-two thousand, eight hundred sixteen".