2012312222111 has 8 divisors (see below), whose sum is σ = 2157654208320. Its totient is φ = 1869966978048.

The previous prime is 2012312222101. The next prime is 2012312222113. The reversal of 2012312222111 is 1112222132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012312222111 - 2¹⁸ = 2012311959967 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 (2012312222113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749184146 + ... + 749186831.

It is an arithmetic number, because the mean of its divisors is an integer number (269706776040).

Almost surely, 2^{2012312222111} is an apocalyptic number.

2012312222111 is a deficient number, since it is larger than the sum of its proper divisors (145341986209).

2012312222111 is a wasteful number, since it uses less digits than its factorization.

2012312222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498371073.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2012312222111 its reverse (1112222132102), we get a palindrome (3124534354213).

Subtracting from 2012312222111 its reverse (1112222132102), we obtain a palindrome (900090090009).

The spelling of 2012312222111 in words is "two trillion, twelve billion, three hundred twelve million, two hundred twenty-two thousand, one hundred eleven".