12121120132330 has 16 divisors (see below), whose sum is σ = 23801472260064. Its totient is φ = 4407680048080.

The previous prime is 12121120132309. The next prime is 12121120132339. The reversal of 12121120132330 is 3323102112121.

It is a super-2 number, since 2×12121120132330² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12121120132339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55096000492 + ... + 55096000711.

It is an arithmetic number, because the mean of its divisors is an integer number (1487592016254).

Almost surely, 2^{12121120132330} is an apocalyptic number.

12121120132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121120132330 is a deficient number, since it is larger than the sum of its proper divisors (11680352127734).

12121120132330 is a wasteful number, since it uses less digits than its factorization.

12121120132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110192001221.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12121120132330 its reverse (3323102112121), we get a palindrome (15444222244451).

The spelling of 12121120132330 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty million, one hundred thirty-two thousand, three hundred thirty".