122231023212 has 72 divisors (see below), whose sum is σ = 301726073712. Its totient is φ = 38507011200.

The previous prime is 122231023207. The next prime is 122231023217. The reversal of 122231023212 is 212320132221.

It is an interprime number because it is at equal distance from previous prime (122231023207) and next prime (122231023217).

It is not an unprimeable number, because it can be changed into a prime (122231023217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1790262 + ... + 1857282.

Almost surely, 2^122231023212 is an apocalyptic number.

122231023212 is a gapful number since it is divisible by the number (12) 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 122231023212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150863036856).

122231023212 is an abundant number, since it is smaller than the sum of its proper divisors (179495050500).

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

122231023212 is a wasteful number, since it uses less digits than its factorization.

122231023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67487 (or 67466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122231023212 its reverse (212320132221), we get a palindrome (334551155433).

The spelling of 122231023212 in words is "one hundred twenty-two billion, two hundred thirty-one million, twenty-three thousand, two hundred twelve".