122012331311 has 8 divisors (see below), whose sum is σ = 134453660880. Its totient is φ = 110007539712.

The previous prime is 122012331251. The next prime is 122012331313. The reversal of 122012331311 is 113133210221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122012331311 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 (122012331313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109133906 + ... + 109135023.

It is an arithmetic number, because the mean of its divisors is an integer number (16806707610).

Almost surely, 2^122012331311 is an apocalyptic number.

122012331311 is a deficient number, since it is larger than the sum of its proper divisors (12441329569).

122012331311 is a wasteful number, since it uses less digits than its factorization.

122012331311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218268985.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122012331311 its reverse (113133210221), we get a palindrome (235145541532).

The spelling of 122012331311 in words is "one hundred twenty-two billion, twelve million, three hundred thirty-one thousand, three hundred eleven".