1200221211013 has 4 divisors (see below), whose sum is σ = 1309332230208. Its totient is φ = 1091110191820.

The previous prime is 1200221210963. The next prime is 1200221211061. The reversal of 1200221211013 is 3101121220021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1200221211013 - 2¹³ = 1200221202821 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 (1200221211613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54555509581 + ... + 54555509602.

It is an arithmetic number, because the mean of its divisors is an integer number (327333057552).

Almost surely, 2^{1200221211013} is an apocalyptic number.

It is an amenable number.

1200221211013 is a deficient number, since it is larger than the sum of its proper divisors (109111019195).

1200221211013 is a wasteful number, since it uses less digits than its factorization.

1200221211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109111019194.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1200221211013 its reverse (3101121220021), we get a palindrome (4301342431034).

The spelling of 1200221211013 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred eleven thousand, thirteen".