12011212112330 has 16 divisors (see below), whose sum is σ = 21620646921600. Its totient is φ = 4804381485072.

The previous prime is 12011212112323. The next prime is 12011212112351. The reversal of 12011212112330 is 3321121211021.

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, 12431030 + ... + 13362369.

It is an arithmetic number, because the mean of its divisors is an integer number (1351290432600).

Almost surely, 2^{12011212112330} is an apocalyptic number.

12011212112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011212112330 is a deficient number, since it is larger than the sum of its proper divisors (9609434809270).

12011212112330 is a wasteful number, since it uses less digits than its factorization.

12011212112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25839973.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12011212112330 its reverse (3321121211021), we get a palindrome (15332333323351).

The spelling of 12011212112330 in words is "twelve trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, three hundred thirty".