1201320221203 has 4 divisors (see below), whose sum is σ = 1201576316328. Its totient is φ = 1201064126080.

The previous prime is 1201320221183. The next prime is 1201320221207. The reversal of 1201320221203 is 3021220231021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201320221203 - 2⁹ = 1201320220691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201320221207) 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, 128040526 + ... + 128049907.

It is an arithmetic number, because the mean of its divisors is an integer number (300394079082).

Almost surely, 2^{1201320221203} is an apocalyptic number.

1201320221203 is a deficient number, since it is larger than the sum of its proper divisors (256095125).

1201320221203 is an equidigital number, since it uses as much as digits as its factorization.

1201320221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256095124.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201320221203 its reverse (3021220231021), we get a palindrome (4222540452224).

The spelling of 1201320221203 in words is "one trillion, two hundred one billion, three hundred twenty million, two hundred twenty-one thousand, two hundred three".