20112123003210 has 48 divisors (see below), whose sum is σ = 59761736925696. Its totient is φ = 4597056686304.

The previous prime is 20112123003209. The next prime is 20112123003227. The reversal of 20112123003210 is 1230032121102.

20112123003210 is a `hidden beast` number, since 2 + 0 + 112 + 1 + 230 + 0 + 321 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15962001754 + ... + 15962003013.

It is an arithmetic number, because the mean of its divisors is an integer number (1245036185952).

Almost surely, 2^{20112123003210} is an apocalyptic number.

20112123003210 is an abundant number, since it is smaller than the sum of its proper divisors (39649613922486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112123003210 is a wasteful number, since it uses less digits than its factorization.

20112123003210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31924004787 (or 31924004784 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20112123003210 its reverse (1230032121102), we get a palindrome (21342155124312).

The spelling of 20112123003210 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-three million, three thousand, two hundred ten".