1276253140412 has 6 divisors (see below), whose sum is σ = 2233442995728. Its totient is φ = 638126570204.

The previous prime is 1276253140411. The next prime is 1276253140451. The reversal of 1276253140412 is 2140413526721.

It is a super-2 number, since 2×1276253140412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276253140411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159531642548 + ... + 159531642555.

It is an arithmetic number, because the mean of its divisors is an integer number (372240499288).

Almost surely, 2^{1276253140412} is an apocalyptic number.

It is an amenable number.

1276253140412 is a deficient number, since it is larger than the sum of its proper divisors (957189855316).

1276253140412 is a wasteful number, since it uses less digits than its factorization.

1276253140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319063285107 (or 319063285105 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 1276253140412 in words is "one trillion, two hundred seventy-six billion, two hundred fifty-three million, one hundred forty thousand, four hundred twelve".