1276765322452 has 24 divisors (see below), whose sum is σ = 2270059678656. Its totient is φ = 628216325568.

The previous prime is 1276765322447. The next prime is 1276765322491. The reversal of 1276765322452 is 2542235676721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1276765322452.

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, 4805728 + ... + 5064439.

It is an arithmetic number, because the mean of its divisors is an integer number (94585819944).

Almost surely, 2^{1276765322452} is an apocalyptic number.

It is an amenable number.

1276765322452 is a deficient number, since it is larger than the sum of its proper divisors (993294356204).

1276765322452 is a wasteful number, since it uses less digits than its factorization.

1276765322452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9870687 (or 9870685 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 1276765322452 in words is "one trillion, two hundred seventy-six billion, seven hundred sixty-five million, three hundred twenty-two thousand, four hundred fifty-two".