20120212110 has 16 divisors (see below), whose sum is σ = 48288509136. Its totient is φ = 5365389888.

The previous prime is 20120212097. The next prime is 20120212117. The reversal of 20120212110 is 1121202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120212117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335336839 + ... + 335336898.

It is an arithmetic number, because the mean of its divisors is an integer number (3018031821).

Almost surely, 2^20120212110 is an apocalyptic number.

20120212110 is an abundant number, since it is smaller than the sum of its proper divisors (28168297026).

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

20120212110 is a wasteful number, since it uses less digits than its factorization.

20120212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670673747.

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

Adding to 20120212110 its reverse (1121202102), we get a palindrome (21241414212).

It can be divided in two parts, 201202 and 12110, that added together give a palindrome (213312).

The spelling of 20120212110 in words is "twenty billion, one hundred twenty million, two hundred twelve thousand, one hundred ten".