1279982340207 has 16 divisors (see below), whose sum is σ = 1896449232480. Its totient is φ = 853240965696.

The previous prime is 1279982340199. The next prime is 1279982340227. The reversal of 1279982340207 is 7020432899721.

It is a happy number.

1279982340207 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 98 + 2 + 340 + 207 = 666.

It is not a de Polignac number, because 1279982340207 - 2³ = 1279982340199 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279982340227) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1946878 + ... + 2519979.

It is an arithmetic number, because the mean of its divisors is an integer number (118528077030).

Almost surely, 2^{1279982340207} is an apocalyptic number.

1279982340207 is a deficient number, since it is larger than the sum of its proper divisors (616466892273).

1279982340207 is a wasteful number, since it uses less digits than its factorization.

1279982340207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477479 (or 4477473 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1279982340207 in words is "one trillion, two hundred seventy-nine billion, nine hundred eighty-two million, three hundred forty thousand, two hundred seven".