1264803210268 has 12 divisors (see below), whose sum is σ = 2383667588680. Its totient is φ = 583755327792.

The previous prime is 1264803210259. The next prime is 1264803210311. The reversal of 1264803210268 is 8620123084621.

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 3 ways as a sum of consecutive naturals, for example, 12161569278 + ... + 12161569381.

Almost surely, 2^{1264803210268} is an apocalyptic number.

It is an amenable number.

1264803210268 is a deficient number, since it is larger than the sum of its proper divisors (1118864378412).

1264803210268 is a wasteful number, since it uses less digits than its factorization.

1264803210268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24323138676 (or 24323138674 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

Adding to 1264803210268 its reverse (8620123084621), we get a palindrome (9884926294889).

The spelling of 1264803210268 in words is "one trillion, two hundred sixty-four billion, eight hundred three million, two hundred ten thousand, two hundred sixty-eight".