20012112120110 has 16 divisors (see below), whose sum is σ = 39296511072432. Its totient is φ = 7277131680000.

The previous prime is 20012112120073. The next prime is 20012112120139. The reversal of 20012112120110 is 1102121121002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90964145891 + ... + 90964146110.

It is an arithmetic number, because the mean of its divisors is an integer number (2456031942027).

Almost surely, 2^{20012112120110} is an apocalyptic number.

20012112120110 is a deficient number, since it is larger than the sum of its proper divisors (19284398952322).

20012112120110 is a wasteful number, since it uses less digits than its factorization.

20012112120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181928292019.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20012112120110 its reverse (1102121121002), we get a palindrome (21114233241112).

The spelling of 20012112120110 in words is "twenty trillion, twelve billion, one hundred twelve million, one hundred twenty thousand, one hundred ten".