12022020120 has 64 divisors (see below), whose sum is σ = 39344797440. Its totient is φ = 2914428800.

The previous prime is 12022020103. The next prime is 12022020133. The reversal of 12022020120 is 2102022021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12022020096 and 12022020105.

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, 4552476 + ... + 4555115.

It is an arithmetic number, because the mean of its divisors is an integer number (614762460).

Almost surely, 2^12022020120 is an apocalyptic number.

12022020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022020120 is an abundant number, since it is smaller than the sum of its proper divisors (27322777320).

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

12022020120 is a wasteful number, since it uses less digits than its factorization.

12022020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107616 (or 9107612 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12022020120 its reverse (2102022021), we get a palindrome (14124042141).

The spelling of 12022020120 in words is "twelve billion, twenty-two million, twenty thousand, one hundred twenty".