1213232108 has 12 divisors (see below), whose sum is σ = 2316170472. Its totient is φ = 551469120.

The previous prime is 1213232051. The next prime is 1213232113. The reversal of 1213232108 is 8012323121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13786685 + ... + 13786772.

It is an arithmetic number, because the mean of its divisors is an integer number (193014206).

Almost surely, 2^1213232108 is an apocalyptic number.

It is an amenable number.

1213232108 is a deficient number, since it is larger than the sum of its proper divisors (1102938364).

1213232108 is a wasteful number, since it uses less digits than its factorization.

1213232108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27573472 (or 27573470 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1213232108 is about 34831.4815648143. The cubic root of 1213232108 is about 1066.5501925339.

Adding to 1213232108 its reverse (8012323121), we get a palindrome (9225555229).

The spelling of 1213232108 in words is "one billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred eight".