12161352306 has 16 divisors (see below), whose sum is σ = 25602847200. Its totient is φ = 3840427008.

The previous prime is 12161352209. The next prime is 12161352377. The reversal of 12161352306 is 60325316121.

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, 53339151 + ... + 53339378.

It is an arithmetic number, because the mean of its divisors is an integer number (1600177950).

Almost surely, 2^12161352306 is an apocalyptic number.

12161352306 is an abundant number, since it is smaller than the sum of its proper divisors (13441494894).

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

12161352306 is a wasteful number, since it uses less digits than its factorization.

12161352306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106678553.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 12161352306 its reverse (60325316121), we get a palindrome (72486668427).

The spelling of 12161352306 in words is "twelve billion, one hundred sixty-one million, three hundred fifty-two thousand, three hundred six".