12020212210 has 32 divisors (see below), whose sum is σ = 21719828592. Its totient is φ = 4789574400.

The previous prime is 12020212201. The next prime is 12020212213. The reversal of 12020212210 is 1221202021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1524824401 + 10495387809 = 39049^2 + 102447^2 .

It is not an unprimeable number, because it can be changed into a prime (12020212213) 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 15 ways as a sum of consecutive naturals, for example, 4851492 + ... + 4853968.

Almost surely, 2^12020212210 is an apocalyptic number.

12020212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020212210 is a deficient number, since it is larger than the sum of its proper divisors (9699616382).

12020212210 is a wasteful number, since it uses less digits than its factorization.

12020212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

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

Adding to 12020212210 its reverse (1221202021), we get a palindrome (13241414231).

The spelling of 12020212210 in words is "twelve billion, twenty million, two hundred twelve thousand, two hundred ten".