122104431220 has 48 divisors (see below), whose sum is σ = 266314987008. Its totient is φ = 46976215680.

The previous prime is 122104431203. The next prime is 122104431259. The reversal of 122104431220 is 22134401221.

It is a junction number, because it is equal to n+sod(n) for n = 122104431191 and 122104431200.

It is a congruent number.

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, 503059 + ... + 705178.

It is an arithmetic number, because the mean of its divisors is an integer number (5548228896).

Almost surely, 2^122104431220 is an apocalyptic number.

122104431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122104431220 is an abundant number, since it is smaller than the sum of its proper divisors (144210555788).

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

122104431220 is a wasteful number, since it uses less digits than its factorization.

122104431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208440 (or 1208438 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 122104431220 its reverse (22134401221), we get a palindrome (144238832441).

The spelling of 122104431220 in words is "one hundred twenty-two billion, one hundred four million, four hundred thirty-one thousand, two hundred twenty".