1222011010020 has 24 divisors (see below), whose sum is σ = 3421630828224. Its totient is φ = 325869602656.

The previous prime is 1222011010009. The next prime is 1222011010049. The reversal of 1222011010020 is 200101102221.

It is a super-2 number, since 2×1222011010020² (a number of 25 digits) contains 22 as substring.

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 = 1222011009978 and 1222011010005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10183425024 + ... + 10183425143.

It is an arithmetic number, because the mean of its divisors is an integer number (142567951176).

Almost surely, 2^{1222011010020} is an apocalyptic number.

1222011010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222011010020 is an abundant number, since it is smaller than the sum of its proper divisors (2199619818204).

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

1222011010020 is a wasteful number, since it uses less digits than its factorization.

1222011010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20366850179 (or 20366850177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222011010020 its reverse (200101102221), we get a palindrome (1422112112241).

The spelling of 1222011010020 in words is "one trillion, two hundred twenty-two billion, eleven million, ten thousand, twenty".