20412242012 has 12 divisors (see below), whose sum is σ = 35877413880. Its totient is φ = 10161552336.

The previous prime is 20412242003. The next prime is 20412242033. The reversal of 20412242012 is 21024221402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11141138 + ... + 11142969.

It is an arithmetic number, because the mean of its divisors is an integer number (2989784490).

Almost surely, 2^20412242012 is an apocalyptic number.

It is an amenable number.

20412242012 is a deficient number, since it is larger than the sum of its proper divisors (15465171868).

20412242012 is a wasteful number, since it uses less digits than its factorization.

20412242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22284340 (or 22284338 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20412242012 its reverse (21024221402), we get a palindrome (41436463414).

The spelling of 20412242012 in words is "twenty billion, four hundred twelve million, two hundred forty-two thousand, twelve".