1200111330222 has 192 divisors, whose sum is σ = 3232955980800. Its totient is φ = 326400399360.

The previous prime is 1200111330211. The next prime is 1200111330307. The reversal of 1200111330222 is 2220331110021.

1200111330222 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 111 + 330 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200111330195 and 1200111330204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6919054 + ... + 7090382.

It is an arithmetic number, because the mean of its divisors is an integer number (16838312400).

Almost surely, 2^{1200111330222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200111330222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616477990400).

1200111330222 is an abundant number, since it is smaller than the sum of its proper divisors (2032844650578).

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

1200111330222 is a wasteful number, since it uses less digits than its factorization.

1200111330222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171453 (or 171441 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200111330222 its reverse (2220331110021), we get a palindrome (3420442440243).

The spelling of 1200111330222 in words is "one trillion, two hundred billion, one hundred eleven million, three hundred thirty thousand, two hundred twenty-two".