12001231022101 has 4 divisors (see below), whose sum is σ = 12001418420992. Its totient is φ = 12001043623212.

The previous prime is 12001231022047. The next prime is 12001231022107. The reversal of 12001231022101 is 10122013210021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001231022101 - 2⁹ = 12001231021589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001231022107) 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, 93603351 + ... + 93731476.

It is an arithmetic number, because the mean of its divisors is an integer number (3000354605248).

Almost surely, 2^{12001231022101} is an apocalyptic number.

It is an amenable number.

12001231022101 is a deficient number, since it is larger than the sum of its proper divisors (187398891).

12001231022101 is an equidigital number, since it uses as much as digits as its factorization.

12001231022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187398890.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12001231022101 its reverse (10122013210021), we get a palindrome (22123244232122).

The spelling of 12001231022101 in words is "twelve trillion, one billion, two hundred thirty-one million, twenty-two thousand, one hundred one".