12102103132021 has 8 divisors (see below), whose sum is σ = 14204785143680. Its totient is φ = 10092873654288.

The previous prime is 12102103131977. The next prime is 12102103132033. The reversal of 12102103132021 is 12023130120121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102103132021 - 2²⁵ = 12102069577589 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 12102103132021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102103132421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23363133201 + ... + 23363133718.

It is an arithmetic number, because the mean of its divisors is an integer number (1775598142960).

Almost surely, 2^{12102103132021} is an apocalyptic number.

It is an amenable number.

12102103132021 is a deficient number, since it is larger than the sum of its proper divisors (2102682011659).

12102103132021 is an equidigital number, since it uses as much as digits as its factorization.

12102103132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46726266963.

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

Adding to 12102103132021 its reverse (12023130120121), we get a palindrome (24125233252142).

The spelling of 12102103132021 in words is "twelve trillion, one hundred two billion, one hundred three million, one hundred thirty-two thousand, twenty-one".