12353354441021 has 8 divisors (see below), whose sum is σ = 13595646723264. Its totient is φ = 11130938835520.

The previous prime is 12353354441011. The next prime is 12353354441033. The reversal of 12353354441021 is 12014445335321.

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 12353354441021 - 2¹⁸ = 12353354178877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12353354441011) 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, 4969167881 + ... + 4969170366.

It is an arithmetic number, because the mean of its divisors is an integer number (1699455840408).

Almost surely, 2^{12353354441021} is an apocalyptic number.

12353354441021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12353354441021 is a deficient number, since it is larger than the sum of its proper divisors (1242292282243).

12353354441021 is a wasteful number, since it uses less digits than its factorization.

12353354441021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938338371.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 12353354441021 its reverse (12014445335321), we get a palindrome (24367799776342).

The spelling of 12353354441021 in words is "twelve trillion, three hundred fifty-three billion, three hundred fifty-four million, four hundred forty-one thousand, twenty-one".