1220012201120 has 96 divisors (see below), whose sum is σ = 3035347318080. Its totient is φ = 462111713280.

The previous prime is 1220012201119. The next prime is 1220012201137. The reversal of 1220012201120 is 211022100221.

It is a junction number, because it is equal to n+sod(n) for n = 1220012201095 and 1220012201104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6729260 + ... + 6908180.

It is an arithmetic number, because the mean of its divisors is an integer number (31618201230).

Almost surely, 2^{1220012201120} is an apocalyptic number.

1220012201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220012201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517673659040).

1220012201120 is an abundant number, since it is smaller than the sum of its proper divisors (1815335116960).

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

1220012201120 is a wasteful number, since it uses less digits than its factorization.

1220012201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181198 (or 181190 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220012201120 its reverse (211022100221), we get a palindrome (1431034301341).

The spelling of 1220012201120 in words is "one trillion, two hundred twenty billion, twelve million, two hundred one thousand, one hundred twenty".