12011333233213 has 16 divisors (see below), whose sum is σ = 12865929753600. Its totient is φ = 11179222553520.

The previous prime is 12011333233157. The next prime is 12011333233217. The reversal of 12011333233213 is 31233233311021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12011333233213 - 2¹⁷ = 12011333102141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011333233217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1609803 + ... + 5158888.

It is an arithmetic number, because the mean of its divisors is an integer number (804120609600).

Almost surely, 2^{12011333233213} is an apocalyptic number.

It is an amenable number.

12011333233213 is a deficient number, since it is larger than the sum of its proper divisors (854596520387).

12011333233213 is a wasteful number, since it uses less digits than its factorization.

12011333233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6770352.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 12011333233213 its reverse (31233233311021), we get a palindrome (43244566544234).

The spelling of 12011333233213 in words is "twelve trillion, eleven billion, three hundred thirty-three million, two hundred thirty-three thousand, two hundred thirteen".