1213230122 has 16 divisors (see below), whose sum is σ = 2005412640. Its totient is φ = 546929712.

The previous prime is 1213230113. The next prime is 1213230133. The reversal of 1213230122 is 2210323121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213230122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541472 + ... + 543707.

It is an arithmetic number, because the mean of its divisors is an integer number (125338290).

Almost surely, 2^1213230122 is an apocalyptic number.

1213230122 is a deficient number, since it is larger than the sum of its proper divisors (792182518).

1213230122 is a wasteful number, since it uses less digits than its factorization.

1213230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085237.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213230122 is about 34831.4530561101. The cubic root of 1213230122 is about 1066.5496105705.

Adding to 1213230122 its reverse (2210323121), we get a palindrome (3423553243).

The spelling of 1213230122 in words is "one billion, two hundred thirteen million, two hundred thirty thousand, one hundred twenty-two".