12101031030401 has 4 divisors (see below), whose sum is σ = 12122756400852. Its totient is φ = 12079305659952.

The previous prime is 12101031030379. The next prime is 12101031030467. The reversal of 12101031030401 is 10403013010121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3130263255025 + 8970767775376 = 1769255^2 + 2995124^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101031030401 - 2²² = 12101026836097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101031030401.

It is not an unprimeable number, because it can be changed into a prime (12101031030481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10862684390 + ... + 10862685503.

It is an arithmetic number, because the mean of its divisors is an integer number (3030689100213).

Almost surely, 2^{12101031030401} is an apocalyptic number.

It is an amenable number.

12101031030401 is a deficient number, since it is larger than the sum of its proper divisors (21725370451).

12101031030401 is an equidigital number, since it uses as much as digits as its factorization.

12101031030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21725370450.

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

Adding to 12101031030401 its reverse (10403013010121), we get a palindrome (22504044040522).

The spelling of 12101031030401 in words is "twelve trillion, one hundred one billion, thirty-one million, thirty thousand, four hundred one".