12031221110 has 32 divisors (see below), whose sum is σ = 22609297152. Its totient is φ = 4600902240.

The previous prime is 12031221107. The next prime is 12031221197. The reversal of 12031221110 is 1112213021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477857 + ... + 502403.

It is an arithmetic number, because the mean of its divisors is an integer number (706540536).

Almost surely, 2^12031221110 is an apocalyptic number.

12031221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031221110 is a deficient number, since it is larger than the sum of its proper divisors (10578076042).

12031221110 is a wasteful number, since it uses less digits than its factorization.

12031221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26708.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12031221110 its reverse (1112213021), we get a palindrome (13143434131).

The spelling of 12031221110 in words is "twelve billion, thirty-one million, two hundred twenty-one thousand, one hundred ten".