20112001010012 has 12 divisors (see below), whose sum is σ = 37048422913320. Its totient is φ = 9526737320496.

The previous prime is 20112001009981. The next prime is 20112001010039. The reversal of 20112001010012 is 21001010021102.

It is a junction number, because it is equal to n+sod(n) for n = 20112001009975 and 20112001010002.

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, 132315796043 + ... + 132315796194.

It is an arithmetic number, because the mean of its divisors is an integer number (3087368576110).

Almost surely, 2^{20112001010012} is an apocalyptic number.

It is an amenable number.

20112001010012 is a deficient number, since it is larger than the sum of its proper divisors (16936421903308).

20112001010012 is a wasteful number, since it uses less digits than its factorization.

20112001010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264631592260 (or 264631592258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112001010012 its reverse (21001010021102), we get a palindrome (41113011031114).

The spelling of 20112001010012 in words is "twenty trillion, one hundred twelve billion, one million, ten thousand, twelve".