1200221033312 has 24 divisors (see below), whose sum is σ = 2700497325456. Its totient is φ = 514380442752.

The previous prime is 1200221033287. The next prime is 1200221033339. The reversal of 1200221033312 is 2133301220021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2679064583 + ... + 2679065030.

It is an arithmetic number, because the mean of its divisors is an integer number (112520721894).

Almost surely, 2^{1200221033312} is an apocalyptic number.

It is an amenable number.

1200221033312 is an abundant number, since it is smaller than the sum of its proper divisors (1500276292144).

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

1200221033312 is an equidigital number, since it uses as much as digits as its factorization.

1200221033312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358129630 (or 5358129622 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1200221033312 its reverse (2133301220021), we get a palindrome (3333522253333).

The spelling of 1200221033312 in words is "one trillion, two hundred billion, two hundred twenty-one million, thirty-three thousand, three hundred twelve".