1222200010020 has 96 divisors (see below), whose sum is σ = 3734751436416. Its totient is φ = 296172979200.

The previous prime is 1222200009977. The next prime is 1222200010069. The reversal of 1222200010020 is 200100022221.

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 = 1222200009978 and 1222200010005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1296582 + ... + 2031138.

It is an arithmetic number, because the mean of its divisors is an integer number (38903660796).

Almost surely, 2^{1222200010020} is an apocalyptic number.

1222200010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222200010020 is an abundant number, since it is smaller than the sum of its proper divisors (2512551426396).

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

1222200010020 is a wasteful number, since it uses less digits than its factorization.

1222200010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737101 (or 737099 counting only the distinct ones).

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

Adding to 1222200010020 its reverse (200100022221), we get a palindrome (1422300032241).

The spelling of 1222200010020 in words is "one trillion, two hundred twenty-two billion, two hundred million, ten thousand, twenty".