122220202112 has 192 divisors, whose sum is σ = 259816652160. Its totient is φ = 57247948800.

The previous prime is 122220202103. The next prime is 122220202121. The reversal of 122220202112 is 211202022221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122220202103) and next prime (122220202121).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809405237 + ... + 809405387.

It is an arithmetic number, because the mean of its divisors is an integer number (1353211730).

Almost surely, 2^122220202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122220202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129908326080).

122220202112 is an abundant number, since it is smaller than the sum of its proper divisors (137596450048).

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

122220202112 is a wasteful number, since it uses less digits than its factorization.

122220202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122220202112 its reverse (211202022221), we get a palindrome (333422224333).

The spelling of 122220202112 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred two thousand, one hundred twelve".