12101321230 has 16 divisors (see below), whose sum is σ = 21809723040. Its totient is φ = 4834451872.

The previous prime is 12101321227. The next prime is 12101321261. The reversal of 12101321230 is 3212310121.

It is a congruent number.

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, 751210 + ... + 767149.

It is an arithmetic number, because the mean of its divisors is an integer number (1363107690).

Almost surely, 2^12101321230 is an apocalyptic number.

12101321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101321230 is a deficient number, since it is larger than the sum of its proper divisors (9708401810).

12101321230 is a wasteful number, since it uses less digits than its factorization.

12101321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519163.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12101321230 its reverse (3212310121), we get a palindrome (15313631351).

The spelling of 12101321230 in words is "twelve billion, one hundred one million, three hundred twenty-one thousand, two hundred thirty".