120213232305 has 32 divisors (see below), whose sum is σ = 193115415168. Its totient is φ = 63856166400.

The previous prime is 120213232303. The next prime is 120213232331. The reversal of 120213232305 is 503232312021.

It is a happy number.

It is not a de Polignac number, because 120213232305 - 2¹ = 120213232303 is a prime.

It is a super-2 number, since 2×120213232305² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120213232303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3773845 + ... + 3805565.

It is an arithmetic number, because the mean of its divisors is an integer number (6034856724).

Almost surely, 2^120213232305 is an apocalyptic number.

120213232305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120213232305 is a deficient number, since it is larger than the sum of its proper divisors (72902182863).

120213232305 is a wasteful number, since it uses less digits than its factorization.

120213232305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32737.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 120213232305 its reverse (503232312021), we get a palindrome (623445544326).

The spelling of 120213232305 in words is "one hundred twenty billion, two hundred thirteen million, two hundred thirty-two thousand, three hundred five".