1201123013001 has 16 divisors (see below), whose sum is σ = 1608013451520. Its totient is φ = 797493522560.

The previous prime is 1201123012981. The next prime is 1201123013021. The reversal of 1201123013001 is 1003103211021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201123012981) and next prime (1201123013021).

It is a cyclic number.

It is not a de Polignac number, because 1201123013001 - 2¹⁴ = 1201122996617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201123013021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302160 + ... + 2024318.

It is an arithmetic number, because the mean of its divisors is an integer number (100500840720).

Almost surely, 2^{1201123013001} is an apocalyptic number.

It is an amenable number.

1201123013001 is a deficient number, since it is larger than the sum of its proper divisors (406890438519).

1201123013001 is a wasteful number, since it uses less digits than its factorization.

1201123013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724416.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1201123013001 its reverse (1003103211021), we get a palindrome (2204226224022).

The spelling of 1201123013001 in words is "one trillion, two hundred one billion, one hundred twenty-three million, thirteen thousand, one".