1222201201120 has 96 divisors (see below), whose sum is σ = 2931726873600. Its totient is φ = 481416638976.

The previous prime is 1222201201099. The next prime is 1222201201237. The reversal of 1222201201120 is 211021022221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1222201201094 and 1222201201103.

It is a congruent number.

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, 4662997 + ... + 4918123.

It is an arithmetic number, because the mean of its divisors is an integer number (30538821600).

Almost surely, 2^{1222201201120} is an apocalyptic number.

1222201201120 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 1222201201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465863436800).

1222201201120 is an abundant number, since it is smaller than the sum of its proper divisors (1709525672480).

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

1222201201120 is a wasteful number, since it uses less digits than its factorization.

1222201201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255600 (or 255592 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222201201120 its reverse (211021022221), we get a palindrome (1433222223341).

The spelling of 1222201201120 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two hundred one thousand, one hundred twenty".