12405332420412 has 12 divisors (see below), whose sum is σ = 28945775647656. Its totient is φ = 4135110806800.

The previous prime is 12405332420387. The next prime is 12405332420497. The reversal of 12405332420412 is 21402423350421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516888850839 + ... + 516888850862.

It is an arithmetic number, because the mean of its divisors is an integer number (2412147970638).

Almost surely, 2^{12405332420412} is an apocalyptic number.

12405332420412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12405332420412 is an abundant number, since it is smaller than the sum of its proper divisors (16540443227244).

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

12405332420412 is a wasteful number, since it uses less digits than its factorization.

12405332420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033777701708 (or 1033777701706 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 12405332420412 its reverse (21402423350421), we get a palindrome (33807755770833).

The spelling of 12405332420412 in words is "twelve trillion, four hundred five billion, three hundred thirty-two million, four hundred twenty thousand, four hundred twelve".