12985346227 has 4 divisors (see below), whose sum is σ = 14840395696. Its totient is φ = 11130296760.

The previous prime is 12985346221. The next prime is 12985346251. The reversal of 12985346227 is 72264358921.

It is a happy number.

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 12985346227 - 2¹¹ = 12985344179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12985346221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927524724 + ... + 927524737.

It is an arithmetic number, because the mean of its divisors is an integer number (3710098924).

Almost surely, 2^12985346227 is an apocalyptic number.

12985346227 is a deficient number, since it is larger than the sum of its proper divisors (1855049469).

12985346227 is an equidigital number, since it uses as much as digits as its factorization.

12985346227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855049468.

The product of its digits is 1451520, while the sum is 49.

The spelling of 12985346227 in words is "twelve billion, nine hundred eighty-five million, three hundred forty-six thousand, two hundred twenty-seven".