1301121201203 has 4 divisors (see below), whose sum is σ = 1301123667360. Its totient is φ = 1301118735048.

The previous prime is 1301121201187. The next prime is 1301121201223. The reversal of 1301121201203 is 3021021211031.

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 1301121201203 - 2⁴ = 1301121201187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301121201223) 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, 86000 + ... + 1615437.

It is an arithmetic number, because the mean of its divisors is an integer number (325280916840).

Almost surely, 2^{1301121201203} is an apocalyptic number.

1301121201203 is a deficient number, since it is larger than the sum of its proper divisors (2466157).

1301121201203 is an equidigital number, since it uses as much as digits as its factorization.

1301121201203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466156.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1301121201203 its reverse (3021021211031), we get a palindrome (4322142412234).

The spelling of 1301121201203 in words is "one trillion, three hundred one billion, one hundred twenty-one million, two hundred one thousand, two hundred three".