12210012212011 has 4 divisors (see below), whose sum is σ = 12210589566000. Its totient is φ = 12209434858024.

The previous prime is 12210012212009. The next prime is 12210012212017. The reversal of 12210012212011 is 11021221001221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12210012212011 - 2¹ = 12210012212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210012212017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288645271 + ... + 288687568.

It is an arithmetic number, because the mean of its divisors is an integer number (3052647391500).

Almost surely, 2^{12210012212011} is an apocalyptic number.

12210012212011 is a deficient number, since it is larger than the sum of its proper divisors (577353989).

12210012212011 is an equidigital number, since it uses as much as digits as its factorization.

12210012212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577353988.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210012212011 its reverse (11021221001221), we get a palindrome (23231233213232).

The spelling of 12210012212011 in words is "twelve trillion, two hundred ten billion, twelve million, two hundred twelve thousand, eleven".