12212040433211 has 12 divisors (see below), whose sum is σ = 13099896445824. Its totient is φ = 11379640762800.

The previous prime is 12212040433207. The next prime is 12212040433213. The reversal of 12212040433211 is 11233404021221.

It is a happy number.

It is not a de Polignac number, because 12212040433211 - 2² = 12212040433207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212040433213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277259675 + ... + 277303716.

It is an arithmetic number, because the mean of its divisors is an integer number (1091658037152).

Almost surely, 2^{12212040433211} is an apocalyptic number.

12212040433211 is a deficient number, since it is larger than the sum of its proper divisors (887856012613).

12212040433211 is an equidigital number, since it uses as much as digits as its factorization.

12212040433211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554563490 (or 554563471 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 12212040433211 its reverse (11233404021221), we get a palindrome (23445444454432).

The spelling of 12212040433211 in words is "twelve trillion, two hundred twelve billion, forty million, four hundred thirty-three thousand, two hundred eleven".