1264140304312 has 32 divisors (see below), whose sum is σ = 2409291244800. Its totient is φ = 621691275744.

The previous prime is 1264140304291. The next prime is 1264140304393. The reversal of 1264140304312 is 2134030414621.

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, 1436208 + ... + 2142655.

It is an arithmetic number, because the mean of its divisors is an integer number (75290351400).

Almost surely, 2^{1264140304312} is an apocalyptic number.

It is an amenable number.

1264140304312 is a deficient number, since it is larger than the sum of its proper divisors (1145150940488).

1264140304312 is a wasteful number, since it uses less digits than its factorization.

1264140304312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579595 (or 3579591 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1264140304312 its reverse (2134030414621), we get a palindrome (3398170718933).

The spelling of 1264140304312 in words is "one trillion, two hundred sixty-four billion, one hundred forty million, three hundred four thousand, three hundred twelve".