1201302330123 has 16 divisors (see below), whose sum is σ = 1830778917120. Its totient is φ = 686374854816.

The previous prime is 1201302330089. The next prime is 1201302330131. The reversal of 1201302330123 is 3210332031021.

It is not a de Polignac number, because 1201302330123 - 2⁹ = 1201302329611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1201302330123.

It is not an unprimeable number, because it can be changed into a prime (1201302330143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3307440 + ... + 3652637.

It is an arithmetic number, because the mean of its divisors is an integer number (114423682320).

Almost surely, 2^{1201302330123} is an apocalyptic number.

1201302330123 is a deficient number, since it is larger than the sum of its proper divisors (629476586997).

1201302330123 is an equidigital number, since it uses as much as digits as its factorization.

1201302330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968306.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1201302330123 its reverse (3210332031021), we get a palindrome (4411634361144).

The spelling of 1201302330123 in words is "one trillion, two hundred one billion, three hundred two million, three hundred thirty thousand, one hundred twenty-three".