12305421031352 has 8 divisors (see below), whose sum is σ = 23072664433800. Its totient is φ = 6152710515672.

The previous prime is 12305421031339. The next prime is 12305421031361. The reversal of 12305421031352 is 25313012450321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769088814452 + ... + 769088814467.

It is an arithmetic number, because the mean of its divisors is an integer number (2884083054225).

Almost surely, 2^{12305421031352} is an apocalyptic number.

It is an amenable number.

12305421031352 is a deficient number, since it is larger than the sum of its proper divisors (10767243402448).

12305421031352 is a wasteful number, since it uses less digits than its factorization.

12305421031352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538177628925 (or 1538177628921 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 12305421031352 its reverse (25313012450321), we get a palindrome (37618433481673).

The spelling of 12305421031352 in words is "twelve trillion, three hundred five billion, four hundred twenty-one million, thirty-one thousand, three hundred fifty-two".