12232420412 has 12 divisors (see below), whose sum is σ = 21538066536. Its totient is φ = 6078687120.

The previous prime is 12232420411. The next prime is 12232420427. The reversal of 12232420412 is 21402423221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232420411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9380039 + ... + 9381342.

It is an arithmetic number, because the mean of its divisors is an integer number (1794838878).

Almost surely, 2^12232420412 is an apocalyptic number.

It is an amenable number.

12232420412 is a deficient number, since it is larger than the sum of its proper divisors (9305646124).

12232420412 is a wasteful number, since it uses less digits than its factorization.

12232420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18761548 (or 18761546 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12232420412 its reverse (21402423221), we get a palindrome (33634843633).

The spelling of 12232420412 in words is "twelve billion, two hundred thirty-two million, four hundred twenty thousand, four hundred twelve".