122212221120 has 224 divisors, whose sum is σ = 470332247040. Its totient is φ = 29627182080.

The previous prime is 122212221107. The next prime is 122212221127. The reversal of 122212221120 is 21122212221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122212221093 and 122212221102.

It is not an unprimeable number, because it can be changed into a prime (122212221127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547912 + ... + 737991.

Almost surely, 2^122212221120 is an apocalyptic number.

122212221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212221120 is an abundant number, since it is smaller than the sum of its proper divisors (348120025920).

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

122212221120 is a wasteful number, since it uses less digits than its factorization.

122212221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285940 (or 1285924 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122212221120 its reverse (21122212221), we get a palindrome (143334433341).

The spelling of 122212221120 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty".