12100222210 has 16 divisors (see below), whose sum is σ = 21781654776. Its totient is φ = 4839810048.

The previous prime is 12100222207. The next prime is 12100222249. The reversal of 12100222210 is 1222200121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11362067649 + 738154561 = 106593^2 + 27169^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308002 + ... + 345058.

Almost surely, 2^12100222210 is an apocalyptic number.

12100222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100222210 is a deficient number, since it is larger than the sum of its proper divisors (9681432566).

12100222210 is a wasteful number, since it uses less digits than its factorization.

12100222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69717.

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

Adding to 12100222210 its reverse (1222200121), we get a palindrome (13322422331).

The spelling of 12100222210 in words is "twelve billion, one hundred million, two hundred twenty-two thousand, two hundred ten".