20412342223412 has 12 divisors (see below), whose sum is σ = 35746285562400. Its totient is φ = 10199117777016.

The previous prime is 20412342223393. The next prime is 20412342223447. The reversal of 20412342223412 is 21432224321402.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1763327162 + ... + 1763338737.

It is an arithmetic number, because the mean of its divisors is an integer number (2978857130200).

Almost surely, 2^{20412342223412} is an apocalyptic number.

It is an amenable number.

20412342223412 is a deficient number, since it is larger than the sum of its proper divisors (15333943338988).

20412342223412 is a wasteful number, since it uses less digits than its factorization.

20412342223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526667350 (or 3526667348 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20412342223412 its reverse (21432224321402), we get a palindrome (41844566544814).

The spelling of 20412342223412 in words is "twenty trillion, four hundred twelve billion, three hundred forty-two million, two hundred twenty-three thousand, four hundred twelve".