12200210122 has 4 divisors (see below), whose sum is σ = 18300315186. Its totient is φ = 6100105060.

The previous prime is 12200210117. The next prime is 12200210153. The reversal of 12200210122 is 22101200221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22101200221 = 12263 ⋅1802267.

It can be written as a sum of positive squares in only one way, i.e., 12139852761 + 60357361 = 110181^2 + 7769^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050052529 + ... + 3050052532.

Almost surely, 2^12200210122 is an apocalyptic number.

12200210122 is a deficient number, since it is larger than the sum of its proper divisors (6100105064).

12200210122 is an equidigital number, since it uses as much as digits as its factorization.

12200210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100105063.

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

Adding to 12200210122 its reverse (22101200221), we get a palindrome (34301410343).

Subtracting 12200210122 from its reverse (22101200221), we obtain a palindrome (9900990099).

The spelling of 12200210122 in words is "twelve billion, two hundred million, two hundred ten thousand, one hundred twenty-two".