12420034204016 has 20 divisors (see below), whose sum is σ = 24065674451232. Its totient is φ = 6209537571456.

The previous prime is 12420034204009. The next prime is 12420034204069. The reversal of 12420034204016 is 61040243002421.

It is a self number, because there is not a number n which added to its sum of digits gives 12420034204016.

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, 29756936 + ... + 30171431.

Almost surely, 2^{12420034204016} is an apocalyptic number.

12420034204016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12420034204016 is a deficient number, since it is larger than the sum of its proper divisors (11645640247216).

12420034204016 is a wasteful number, since it uses less digits than its factorization.

12420034204016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59941328 (or 59941322 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12420034204016 its reverse (61040243002421), we get a palindrome (73460277206437).

The spelling of 12420034204016 in words is "twelve trillion, four hundred twenty billion, thirty-four million, two hundred four thousand, sixteen".