122311011031230 has 192 divisors, whose sum is σ = 344626915975488. Its totient is φ = 27698726522880.

The previous prime is 122311011031219. The next prime is 122311011031259. The reversal of 122311011031230 is 32130110113221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 122311011031197 and 122311011031206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 435233844 + ... + 435514776.

It is an arithmetic number, because the mean of its divisors is an integer number (1794931854039).

Almost surely, 2^{122311011031230} is an apocalyptic number.

122311011031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122311011031230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172313457987744).

122311011031230 is an abundant number, since it is smaller than the sum of its proper divisors (222315904944258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122311011031230 is a wasteful number, since it uses less digits than its factorization.

122311011031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283691 (or 283684 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 122311011031230 its reverse (32130110113221), we get a palindrome (154441121144451).

The spelling of 122311011031230 in words is "one hundred twenty-two trillion, three hundred eleven billion, eleven million, thirty-one thousand, two hundred thirty".