1230210122 has 4 divisors (see below), whose sum is σ = 1845315186. Its totient is φ = 615105060.

The previous prime is 1230210097. The next prime is 1230210143. The reversal of 1230210122 is 2210120321.

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: 2210120321 = 43 ⋅51398147.

It can be written as a sum of positive squares in only one way, i.e., 1221572401 + 8637721 = 34951^2 + 2939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230210097 and 1230210106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307552529 + ... + 307552532.

Almost surely, 2^1230210122 is an apocalyptic number.

1230210122 is a deficient number, since it is larger than the sum of its proper divisors (615105064).

1230210122 is an equidigital number, since it uses as much as digits as its factorization.

1230210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615105063.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1230210122 is about 35074.3513411153. The cubic root of 1230210122 is about 1071.5022779736.

Adding to 1230210122 its reverse (2210120321), we get a palindrome (3440330443).

The spelling of 1230210122 in words is "one billion, two hundred thirty million, two hundred ten thousand, one hundred twenty-two".