1232712280127 has 4 divisors (see below), whose sum is σ = 1248316233120. Its totient is φ = 1217108327136.

The previous prime is 1232712280099. The next prime is 1232712280187. The reversal of 1232712280127 is 7210822172321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232712280127 - 2¹⁸ = 1232712017983 is a prime.

It is a super-2 number, since 2×1232712280127² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232712280187) 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 3 ways as a sum of consecutive naturals, for example, 7801976378 + ... + 7801976535.

It is an arithmetic number, because the mean of its divisors is an integer number (312079058280).

Almost surely, 2^{1232712280127} is an apocalyptic number.

1232712280127 is a deficient number, since it is larger than the sum of its proper divisors (15603952993).

1232712280127 is an equidigital number, since it uses as much as digits as its factorization.

1232712280127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15603952992.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 1232712280127 in words is "one trillion, two hundred thirty-two billion, seven hundred twelve million, two hundred eighty thousand, one hundred twenty-seven".