12102321023210 has 40 divisors (see below), whose sum is σ = 23962447126980. Its totient is φ = 4400843955200.

The previous prime is 12102321023153. The next prime is 12102321023249. The reversal of 12102321023210 is 1232012320121.

It can be written as a sum of positive squares in 2 ways, for example, as 11908013738401 + 194307284809 = 3450799^2 + 440803^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41183831 + ... + 41476650.

Almost surely, 2^{12102321023210} is an apocalyptic number.

12102321023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102321023210 is a deficient number, since it is larger than the sum of its proper divisors (11860126103770).

12102321023210 is an frugal number, since it uses more digits than its factorization.

12102321023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82660532 (or 82660499 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12102321023210 its reverse (1232012320121), we get a palindrome (13334333343331).

The spelling of 12102321023210 in words is "twelve trillion, one hundred two billion, three hundred twenty-one million, twenty-three thousand, two hundred ten".