1213234868 has 24 divisors (see below), whose sum is σ = 2140682880. Its totient is φ = 601624800.

The previous prime is 1213234849. The next prime is 1213234907. The reversal of 1213234868 is 8684323121.

It is a happy number.

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, 499505 + ... + 501927.

It is an arithmetic number, because the mean of its divisors is an integer number (89195120).

Almost surely, 2^1213234868 is an apocalyptic number.

It is an amenable number.

1213234868 is a deficient number, since it is larger than the sum of its proper divisors (927448012).

1213234868 is a wasteful number, since it uses less digits than its factorization.

1213234868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3405 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 1213234868 is about 34831.5211841229. The cubic root of 1213234868 is about 1066.5510013036.

Adding to 1213234868 its reverse (8684323121), we get a palindrome (9897557989).

The spelling of 1213234868 in words is "one billion, two hundred thirteen million, two hundred thirty-four thousand, eight hundred sixty-eight".