1213345468 has 6 divisors (see below), whose sum is σ = 2123354576. Its totient is φ = 606672732.

The previous prime is 1213345457. The next prime is 1213345489. The reversal of 1213345468 is 8645433121.

It is a super-2 number, since 2×1213345468² = 2944414449432278048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151668180 + ... + 151668187.

Almost surely, 2^1213345468 is an apocalyptic number.

It is an amenable number.

1213345468 is a deficient number, since it is larger than the sum of its proper divisors (910009108).

1213345468 is a wasteful number, since it uses less digits than its factorization.

1213345468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303336371 (or 303336369 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 1213345468 is about 34833.1087903449. The cubic root of 1213345468 is about 1066.5834096909.

Adding to 1213345468 its reverse (8645433121), we get a palindrome (9858778589).

The spelling of 1213345468 in words is "one billion, two hundred thirteen million, three hundred forty-five thousand, four hundred sixty-eight".