12480321066 has 16 divisors (see below), whose sum is σ = 25039386144. Its totient is φ = 4146983024.

The previous prime is 12480321059. The next prime is 12480321097. The reversal of 12480321066 is 66012308421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278940 + ... + 3282743.

It is an arithmetic number, because the mean of its divisors is an integer number (1564961634).

Almost surely, 2^12480321066 is an apocalyptic number.

12480321066 is an abundant number, since it is smaller than the sum of its proper divisors (12559065078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12480321066 is a wasteful number, since it uses less digits than its factorization.

12480321066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562005.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 12480321066 its reverse (66012308421), we get a palindrome (78492629487).

The spelling of 12480321066 in words is "twelve billion, four hundred eighty million, three hundred twenty-one thousand, sixty-six".