12102321025 has 12 divisors (see below), whose sum is σ = 15008360832. Its totient is φ = 9680900240.

The previous prime is 12102321013. The next prime is 12102321037. The reversal of 12102321025 is 52012320121.

It is an interprime number because it is at equal distance from previous prime (12102321013) and next prime (12102321037).

It is not a de Polignac number, because 12102321025 - 2¹⁵ = 12102288257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12102320993 and 12102321011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346932 + ... + 380218.

It is an arithmetic number, because the mean of its divisors is an integer number (1250696736).

Almost surely, 2^12102321025 is an apocalyptic number.

It is an amenable number.

12102321025 is a deficient number, since it is larger than the sum of its proper divisors (2906039807).

12102321025 is a wasteful number, since it uses less digits than its factorization.

12102321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47840 (or 47835 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12102321025 its reverse (52012320121), we get a palindrome (64114641146).

The spelling of 12102321025 in words is "twelve billion, one hundred two million, three hundred twenty-one thousand, twenty-five".