12022021210 has 16 divisors (see below), whose sum is σ = 21882781800. Its totient is φ = 4754776576.

The previous prime is 12022021171. The next prime is 12022021229. The reversal of 12022021210 is 1212022021.

It is a happy number.

12022021210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7825702369 + 4196318841 = 88463^2 + 64779^2 .

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 7 ways as a sum of consecutive naturals, for example, 6753055 + ... + 6754834.

Almost surely, 2^12022021210 is an apocalyptic number.

12022021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022021210 is a deficient number, since it is larger than the sum of its proper divisors (9860760590).

12022021210 is a wasteful number, since it uses less digits than its factorization.

12022021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507985.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12022021210 its reverse (1212022021), we get a palindrome (13234043231).

The spelling of 12022021210 in words is "twelve billion, twenty-two million, twenty-one thousand, two hundred ten".