122321212020 has 120 divisors (see below), whose sum is σ = 438544237824. Its totient is φ = 27959131584.

The previous prime is 122321212003. The next prime is 122321212033. The reversal of 122321212020 is 20212123221.

122321212020 is a `hidden beast` number, since 122 + 321 + 21 + 202 + 0 = 666.

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 = 122321211984 and 122321212002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5382012 + ... + 5404691.

Almost surely, 2^122321212020 is an apocalyptic number.

122321212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122321212020 is an abundant number, since it is smaller than the sum of its proper divisors (316223025804).

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

122321212020 is a wasteful number, since it uses less digits than its factorization.

122321212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786731 (or 10786720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122321212020 its reverse (20212123221), we get a palindrome (142533335241).

The spelling of 122321212020 in words is "one hundred twenty-two billion, three hundred twenty-one million, two hundred twelve thousand, twenty".