1276250264000 has 112 divisors (see below), whose sum is σ = 3167842117440. Its totient is φ = 509335833600.

The previous prime is 1276250263991. The next prime is 1276250264021. The reversal of 1276250264000 is 4620526721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3330302 + ... + 3693698.

It is an arithmetic number, because the mean of its divisors is an integer number (28284304620).

Almost surely, 2^{1276250264000} is an apocalyptic number.

1276250264000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276250264000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583921058720).

1276250264000 is an abundant number, since it is smaller than the sum of its proper divisors (1891591853440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1276250264000 is an equidigital number, since it uses as much as digits as its factorization.

1276250264000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363863 (or 363843 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 1276250264000 in words is "one trillion, two hundred seventy-six billion, two hundred fifty million, two hundred sixty-four thousand".