1273293000000 has 784 divisors, whose sum is σ = 5348219041920. Its totient is φ = 290995200000.

The previous prime is 1273292999947. The next prime is 1273293000061. The reversal of 1273293000000 is 3923721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 188996632 + ... + 189003368.

Almost surely, 2^{1273293000000} is an apocalyptic number.

1273293000000 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 1273293000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674109520960).

1273293000000 is an abundant number, since it is smaller than the sum of its proper divisors (4074926041920).

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

1273293000000 is an frugal number, since it uses more digits than its factorization.

1273293000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

Adding to 1273293000000 its reverse (3923721), we get a palindrome (1273296923721).

The spelling of 1273293000000 in words is "one trillion, two hundred seventy-three billion, two hundred ninety-three million", and thus it is an aban number.