122233021220 has 48 divisors (see below), whose sum is σ = 262067893248. Its totient is φ = 47875916160.

The previous prime is 122233021219. The next prime is 122233021231. The reversal of 122233021220 is 22120332221.

It is a happy number.

It is a super-2 number, since 2×122233021220² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122233021192 and 122233021201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47417 + ... + 496703.

It is an arithmetic number, because the mean of its divisors is an integer number (5459747776).

Almost surely, 2^122233021220 is an apocalyptic number.

122233021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122233021220 is an abundant number, since it is smaller than the sum of its proper divisors (139834872028).

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

122233021220 is a wasteful number, since it uses less digits than its factorization.

122233021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449580 (or 449578 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 122233021220 its reverse (22120332221), we get a palindrome (144353353441).

The spelling of 122233021220 in words is "one hundred twenty-two billion, two hundred thirty-three million, twenty-one thousand, two hundred twenty".