12273408787 has 8 divisors (see below), whose sum is σ = 13153172256. Its totient is φ = 11422490112.

The previous prime is 12273408767. The next prime is 12273408817. The reversal of 12273408787 is 78780437221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12273408787 is a prime.

It is a super-2 number, since 2×12273408787² (a number of 21 digits) contains 22 as substring.

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 12273408787.

It is not an unprimeable number, because it can be changed into a prime (12273408727) 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 7 ways as a sum of consecutive naturals, for example, 7210318 + ... + 7212019.

It is an arithmetic number, because the mean of its divisors is an integer number (1644146532).

Almost surely, 2^12273408787 is an apocalyptic number.

12273408787 is a deficient number, since it is larger than the sum of its proper divisors (879763469).

12273408787 is a wasteful number, since it uses less digits than its factorization.

12273408787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14422397.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 12273408787 in words is "twelve billion, two hundred seventy-three million, four hundred eight thousand, seven hundred eighty-seven".