20110042012 has 12 divisors (see below), whose sum is σ = 35197577856. Its totient is φ = 10053591200.

The previous prime is 20110042003. The next prime is 20110042031. The reversal of 20110042012 is 21024001102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20110041983 and 20110042001.

It is a congruent number.

It is an unprimeable number.

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, 325489 + ... + 382312.

It is an arithmetic number, because the mean of its divisors is an integer number (2933131488).

Almost surely, 2^20110042012 is an apocalyptic number.

It is an amenable number.

20110042012 is a deficient number, since it is larger than the sum of its proper divisors (15087535844).

20110042012 is a wasteful number, since it uses less digits than its factorization.

20110042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714908 (or 714906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20110042012 its reverse (21024001102), we get a palindrome (41134043114).

The spelling of 20110042012 in words is "twenty billion, one hundred ten million, forty-two thousand, twelve".