122031000000 has 1176 divisors, whose sum is σ = 541727440800. Its totient is φ = 25574400000.

The previous prime is 122030999963. The next prime is 122031000043. The reversal of 122031000000 is 130221.

It is a happy number.

It is a super-2 number, since 2×122031000000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

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 167 ways as a sum of consecutive naturals, for example, 818999926 + ... + 819000074.

Almost surely, 2^122031000000 is an apocalyptic number.

122031000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122031000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270863720400).

122031000000 is an abundant number, since it is smaller than the sum of its proper divisors (419696440800).

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

122031000000 is an equidigital number, since it uses as much as digits as its factorization.

122031000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 122031000000 its reverse (130221), we get a palindrome (122031130221).

The spelling of 122031000000 in words is "one hundred twenty-two billion, thirty-one million", and thus it is an aban number.