122122120000231 has 4 divisors (see below), whose sum is σ = 131516129231032. Its totient is φ = 112728110769432.

The previous prime is 122122120000219. The next prime is 122122120000261. The reversal of 122122120000231 is 132000021221221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122122120000231 is a prime.

It is a super-2 number, since 2×122122120000231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122122120000199 and 122122120000208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122120000261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4697004615381 + ... + 4697004615406.

It is an arithmetic number, because the mean of its divisors is an integer number (32879032307758).

Almost surely, 2^{122122120000231} is an apocalyptic number.

122122120000231 is a deficient number, since it is larger than the sum of its proper divisors (9394009230801).

122122120000231 is an equidigital number, since it uses as much as digits as its factorization.

122122120000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9394009230800.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122122120000231 its reverse (132000021221221), we get a palindrome (254122141221452).

The spelling of 122122120000231 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred thirty-one", and thus it is an aban number.