1200121211333 has 8 divisors (see below), whose sum is σ = 1309365975456. Its totient is φ = 1090900253200.

The previous prime is 1200121211329. The next prime is 1200121211357. The reversal of 1200121211333 is 3331121210021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200121211333 - 2² = 1200121211329 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200121217333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846003 + ... + 6047808.

It is an arithmetic number, because the mean of its divisors is an integer number (163670746932).

Almost surely, 2^{1200121211333} is an apocalyptic number.

It is an amenable number.

1200121211333 is a deficient number, since it is larger than the sum of its proper divisors (109244764123).

1200121211333 is a wasteful number, since it uses less digits than its factorization.

1200121211333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11902995.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1200121211333 its reverse (3331121210021), we get a palindrome (4531242421354).

The spelling of 1200121211333 in words is "one trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, three hundred thirty-three".