12212031023311 has 16 divisors (see below), whose sum is σ = 14069271822336. Its totient is φ = 10382988926016.

The previous prime is 12212031023267. The next prime is 12212031023321. The reversal of 12212031023311 is 11332013021221.

It is not a de Polignac number, because 12212031023311 - 2¹¹ = 12212031021263 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 (12212031023321) 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, 3172155 + ... + 5872531.

It is an arithmetic number, because the mean of its divisors is an integer number (879329488896).

Almost surely, 2^{12212031023311} is an apocalyptic number.

12212031023311 is a deficient number, since it is larger than the sum of its proper divisors (1857240799025).

12212031023311 is a wasteful number, since it uses less digits than its factorization.

12212031023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705598.

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

Adding to 12212031023311 its reverse (11332013021221), we get a palindrome (23544044044532).

The spelling of 12212031023311 in words is "twelve trillion, two hundred twelve billion, thirty-one million, twenty-three thousand, three hundred eleven".