20012212110 has 64 divisors (see below), whose sum is σ = 52419757824. Its totient is φ = 4849209600.

The previous prime is 20012212069. The next prime is 20012212123. The reversal of 20012212110 is 1121221002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 769642 + ... + 795218.

It is an arithmetic number, because the mean of its divisors is an integer number (819058716).

Almost surely, 2^20012212110 is an apocalyptic number.

20012212110 is an abundant number, since it is smaller than the sum of its proper divisors (32407545714).

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

20012212110 is a wasteful number, since it uses less digits than its factorization.

20012212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27969.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20012212110 its reverse (1121221002), we get a palindrome (21133433112).

The spelling of 20012212110 in words is "twenty billion, twelve million, two hundred twelve thousand, one hundred ten".