1220011200112 has 40 divisors (see below), whose sum is σ = 2445867048240. Its totient is φ = 588829785600.

The previous prime is 1220011200073. The next prime is 1220011200169. The reversal of 1220011200112 is 2110021100221.

It is a junction number, because it is equal to n+sod(n) for n = 1220011200092 and 1220011200101.

It is a congruent number.

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, 1636323 + ... + 2262205.

It is an arithmetic number, because the mean of its divisors is an integer number (61146676206).

Almost surely, 2^{1220011200112} is an apocalyptic number.

It is an amenable number.

1220011200112 is an abundant number, since it is smaller than the sum of its proper divisors (1225855848128).

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

1220011200112 is a wasteful number, since it uses less digits than its factorization.

1220011200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630121 (or 630115 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220011200112 its reverse (2110021100221), we get a palindrome (3330032300333).

The spelling of 1220011200112 in words is "one trillion, two hundred twenty billion, eleven million, two hundred thousand, one hundred twelve".