12042202440 has 64 divisors (see below), whose sum is σ = 37372363200. Its totient is φ = 3100520192.

The previous prime is 12042202423. The next prime is 12042202457. The reversal of 12042202440 is 4420224021.

12042202440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12042202423) and next prime (12042202457).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726722 + ... + 1733681.

It is an arithmetic number, because the mean of its divisors is an integer number (583943175).

Almost surely, 2^12042202440 is an apocalyptic number.

12042202440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042202440 is an abundant number, since it is smaller than the sum of its proper divisors (25330160760).

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

12042202440 is a wasteful number, since it uses less digits than its factorization.

12042202440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460446 (or 3460442 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 12042202440 its reverse (4420224021), we get a palindrome (16462426461).

The spelling of 12042202440 in words is "twelve billion, forty-two million, two hundred two thousand, four hundred forty".