12280156239 has 16 divisors (see below), whose sum is σ = 17635530752. Its totient is φ = 7555953888.

The previous prime is 12280156211. The next prime is 12280156241. The reversal of 12280156239 is 93265108221.

It is not a de Polignac number, because 12280156239 - 2¹³ = 12280148047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12280156197 and 12280156206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280156289) 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, 327894 + ... + 363420.

It is an arithmetic number, because the mean of its divisors is an integer number (1102220672).

Almost surely, 2^12280156239 is an apocalyptic number.

12280156239 is a deficient number, since it is larger than the sum of its proper divisors (5355374513).

12280156239 is a wasteful number, since it uses less digits than its factorization.

12280156239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44406.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 12280156239 in words is "twelve billion, two hundred eighty million, one hundred fifty-six thousand, two hundred thirty-nine".