111212310213 has 12 divisors (see below), whose sum is σ = 160643728960. Its totient is φ = 74139820776.

The previous prime is 111212310203. The next prime is 111212310233. The reversal of 111212310213 is 312013212111.

It is not a de Polignac number, because 111212310213 - 2³³ = 102622375621 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 (111212310203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359070 + ... + 592752.

Almost surely, 2^111212310213 is an apocalyptic number.

It is an amenable number.

111212310213 is a deficient number, since it is larger than the sum of its proper divisors (49431418747).

111212310213 is a wasteful number, since it uses less digits than its factorization.

111212310213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286568 (or 286565 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111212310213 its reverse (312013212111), we get a palindrome (423225522324).

The spelling of 111212310213 in words is "one hundred eleven billion, two hundred twelve million, three hundred ten thousand, two hundred thirteen".