1213232422 has 16 divisors (see below), whose sum is σ = 1916486640. Its totient is φ = 574432128.

The previous prime is 1213232369. The next prime is 1213232431. The reversal of 1213232422 is 2242323121.

It is a junction number, because it is equal to n+sod(n) for n = 1213232393 and 1213232402.

It is a congruent number.

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, 99778 + ... + 111274.

It is an arithmetic number, because the mean of its divisors is an integer number (119780415).

Almost surely, 2^1213232422 is an apocalyptic number.

1213232422 is a deficient number, since it is larger than the sum of its proper divisors (703254218).

1213232422 is a wasteful number, since it uses less digits than its factorization.

1213232422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295.

The product of its digits is 1152, while the sum is 22.

The square root of 1213232422 is about 34831.4860722307. The cubic root of 1213232422 is about 1066.5502845461.

Adding to 1213232422 its reverse (2242323121), we get a palindrome (3455555543).

The spelling of 1213232422 in words is "one billion, two hundred thirteen million, two hundred thirty-two thousand, four hundred twenty-two".