12011232023101 has 4 divisors (see below), whose sum is σ = 12643402129600. Its totient is φ = 11379061916604.

The previous prime is 12011232023099. The next prime is 12011232023113. The reversal of 12011232023101 is 10132023211021.

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 12011232023101 - 2¹ = 12011232023099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 632170106479 = 12011232023101 / (1 + 2 + 0 + 1 + 1 + 2 + 3 + 2 + 0 + 2 + 3 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011232023201) 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, 316085053221 + ... + 316085053258.

It is an arithmetic number, because the mean of its divisors is an integer number (3160850532400).

Almost surely, 2^{12011232023101} is an apocalyptic number.

It is an amenable number.

12011232023101 is a deficient number, since it is larger than the sum of its proper divisors (632170106499).

12011232023101 is an equidigital number, since it uses as much as digits as its factorization.

12011232023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632170106498.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12011232023101 its reverse (10132023211021), we get a palindrome (22143255234122).

The spelling of 12011232023101 in words is "twelve trillion, eleven billion, two hundred thirty-two million, twenty-three thousand, one hundred one".