1220200110012 has 48 divisors (see below), whose sum is σ = 3116408544032. Its totient is φ = 369291329280.

The previous prime is 1220200109993. The next prime is 1220200110029. The reversal of 1220200110012 is 2100110020221.

It is a super-3 number, since 3×1220200110012³ (a number of 37 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1220200110012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64103563 + ... + 64122594.

Almost surely, 2^{1220200110012} is an apocalyptic number.

1220200110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220200110012 is an abundant number, since it is smaller than the sum of its proper divisors (1896208434020).

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

1220200110012 is a wasteful number, since it uses less digits than its factorization.

1220200110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128226238 (or 128226236 counting only the distinct ones).

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

Adding to 1220200110012 its reverse (2100110020221), we get a palindrome (3320310130233).

The spelling of 1220200110012 in words is "one trillion, two hundred twenty billion, two hundred million, one hundred ten thousand, twelve".