12211010210 has 48 divisors (see below), whose sum is σ = 25663686840. Its totient is φ = 4171023360.

The previous prime is 12211010179. The next prime is 12211010221. The reversal of 12211010210 is 1201011221.

It can be written as a sum of positive squares in 4 ways, for example, as 10503585169 + 1707425041 = 102487^2 + 41321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12211010191 and 12211010200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 85490 + ... + 178130.

Almost surely, 2^12211010210 is an apocalyptic number.

12211010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211010210 is an abundant number, since it is smaller than the sum of its proper divisors (13452676630).

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

12211010210 is a wasteful number, since it uses less digits than its factorization.

12211010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92931 (or 92924 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12211010210 its reverse (1201011221), we get a palindrome (13412021431).

The spelling of 12211010210 in words is "twelve billion, two hundred eleven million, ten thousand, two hundred ten".