1122220200012 has 96 divisors (see below), whose sum is σ = 2699400447744. Its totient is φ = 362596435200.

The previous prime is 1122220200001. The next prime is 1122220200043. The reversal of 1122220200012 is 2100020222211.

It is a junction number, because it is equal to n+sod(n) for n = 1122220199964 and 1122220200000.

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, 180679587 + ... + 180685797.

It is an arithmetic number, because the mean of its divisors is an integer number (28118754664).

Almost surely, 2^{1122220200012} is an apocalyptic number.

1122220200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122220200012 is an abundant number, since it is smaller than the sum of its proper divisors (1577180247732).

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

1122220200012 is a wasteful number, since it uses less digits than its factorization.

1122220200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1122220200012 its reverse (2100020222211), we get a palindrome (3222240422223).

The spelling of 1122220200012 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, two hundred thousand, twelve".