12031222010 has 16 divisors (see below), whose sum is σ = 21870619272. Its totient is φ = 4764840000.

The previous prime is 12031221991. The next prime is 12031222013. The reversal of 12031222010 is 1022213021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11915250649 + 115971361 = 109157^2 + 10769^2 .

It is not an unprimeable number, because it can be changed into a prime (12031222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5955041 + ... + 5957060.

Almost surely, 2^12031222010 is an apocalyptic number.

12031222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031222010 is a deficient number, since it is larger than the sum of its proper divisors (9839397262).

12031222010 is a wasteful number, since it uses less digits than its factorization.

12031222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11912209.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12031222010 its reverse (1022213021), we get a palindrome (13053435031).

The spelling of 12031222010 in words is "twelve billion, thirty-one million, two hundred twenty-two thousand, ten".