1200111321013 has 8 divisors (see below), whose sum is σ = 1386224841600. Its totient is φ = 1026833215680.

The previous prime is 1200111320999. The next prime is 1200111321077. The reversal of 1200111321013 is 3101231110021.

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 1200111321013 - 2⁵ = 1200111320981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200111321313) 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, 3208853613 + ... + 3208853986.

It is an arithmetic number, because the mean of its divisors is an integer number (173278105200).

Almost surely, 2^{1200111321013} is an apocalyptic number.

It is an amenable number.

1200111321013 is a deficient number, since it is larger than the sum of its proper divisors (186113520587).

1200111321013 is a wasteful number, since it uses less digits than its factorization.

1200111321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417707627.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1200111321013 its reverse (3101231110021), we get a palindrome (4301342431034).

The spelling of 1200111321013 in words is "one trillion, two hundred billion, one hundred eleven million, three hundred twenty-one thousand, thirteen".