1220211200112 has 20 divisors (see below), whose sum is σ = 3152212267080. Its totient is φ = 406737066688.

The previous prime is 1220211200081. The next prime is 1220211200119. The reversal of 1220211200112 is 2110021120221.

It is a junction number, because it is equal to n+sod(n) for n = 1220211200091 and 1220211200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220211200119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12710533287 + ... + 12710533382.

It is an arithmetic number, because the mean of its divisors is an integer number (157610613354).

Almost surely, 2^{1220211200112} is an apocalyptic number.

1220211200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220211200112 is an abundant number, since it is smaller than the sum of its proper divisors (1932001066968).

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

1220211200112 is a wasteful number, since it uses less digits than its factorization.

1220211200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25421066680 (or 25421066674 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220211200112 its reverse (2110021120221), we get a palindrome (3330232320333).

The spelling of 1220211200112 in words is "one trillion, two hundred twenty billion, two hundred eleven million, two hundred thousand, one hundred twelve".