1222120002020 has 24 divisors (see below), whose sum is σ = 2573848134144. Its totient is φ = 487439214176.

The previous prime is 1222120001969. The next prime is 1222120002031. The reversal of 1222120002020 is 202000212221.

It is a junction number, because it is equal to n+sod(n) for n = 1222120001986 and 1222120002004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88042052 + ... + 88055931.

It is an arithmetic number, because the mean of its divisors is an integer number (107243672256).

Almost surely, 2^{1222120002020} is an apocalyptic number.

1222120002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222120002020 is an abundant number, since it is smaller than the sum of its proper divisors (1351728132124).

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

1222120002020 is a wasteful number, since it uses less digits than its factorization.

1222120002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176098339 (or 176098337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1222120002020 its reverse (202000212221), we get a palindrome (1424120214241).

The spelling of 1222120002020 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two thousand, twenty".