1276880370213 has 16 divisors (see below), whose sum is σ = 1951600795136. Its totient is φ = 727441553520.

The previous prime is 1276880370173. The next prime is 1276880370239. The reversal of 1276880370213 is 3120730886721.

It is not a de Polignac number, because 1276880370213 - 2⁸ = 1276880369957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276880320213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91841731 + ... + 91855632.

It is an arithmetic number, because the mean of its divisors is an integer number (121975049696).

Almost surely, 2^{1276880370213} is an apocalyptic number.

It is an amenable number.

1276880370213 is a deficient number, since it is larger than the sum of its proper divisors (674720424923).

1276880370213 is a wasteful number, since it uses less digits than its factorization.

1276880370213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183697704.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 1276880370213 in words is "one trillion, two hundred seventy-six billion, eight hundred eighty million, three hundred seventy thousand, two hundred thirteen".