1273740152832 has 1040 divisors, whose sum is σ = 4558032271232. Its totient is φ = 348285173760.

The previous prime is 1273740152813. The next prime is 1273740152833. The reversal of 1273740152832 is 2382510473721.

1273740152832 is a `hidden beast` number, since 1 + 27 + 3 + 74 + 0 + 1 + 528 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273740152833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20880986082 + ... + 20880986142.

Almost surely, 2^{1273740152832} is an apocalyptic number.

1273740152832 is a gapful number since it is divisible by the number (12) 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 1273740152832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279016135616).

1273740152832 is an abundant number, since it is smaller than the sum of its proper divisors (3284292118400).

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

1273740152832 is an frugal number, since it uses more digits than its factorization.

1273740152832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 1273740152832 in words is "one trillion, two hundred seventy-three billion, seven hundred forty million, one hundred fifty-two thousand, eight hundred thirty-two".