1273204000007 has 16 divisors (see below), whose sum is σ = 1322750677248. Its totient is φ = 1224659950080.

The previous prime is 1273203999959. The next prime is 1273204000027. The reversal of 1273204000007 is 7000004023721.

It is a cyclic number.

It is not a de Polignac number, because 1273204000007 - 2¹⁸ = 1273203737863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1273204000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273204000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536423 + ... + 1683495.

It is an arithmetic number, because the mean of its divisors is an integer number (82671917328).

Almost surely, 2^{1273204000007} is an apocalyptic number.

1273204000007 is a deficient number, since it is larger than the sum of its proper divisors (49546677241).

1273204000007 is a wasteful number, since it uses less digits than its factorization.

1273204000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147510.

The product of its (nonzero) digits is 2352, while the sum is 26.

Adding to 1273204000007 its reverse (7000004023721), we get a palindrome (8273208023728).

The spelling of 1273204000007 in words is "one trillion, two hundred seventy-three billion, two hundred four million, seven", and thus it is an aban number.