12340215102 has 32 divisors (see below), whose sum is σ = 26199482400. Its totient is φ = 3861475328.

The previous prime is 12340215089. The next prime is 12340215109. The reversal of 12340215102 is 20151204321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340215109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115827 + ... + 195182.

It is an arithmetic number, because the mean of its divisors is an integer number (818733825).

Almost surely, 2^12340215102 is an apocalyptic number.

12340215102 is an abundant number, since it is smaller than the sum of its proper divisors (13859267298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12340215102 is a wasteful number, since it uses less digits than its factorization.

12340215102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311420.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12340215102 its reverse (20151204321), we get a palindrome (32491419423).

The spelling of 12340215102 in words is "twelve billion, three hundred forty million, two hundred fifteen thousand, one hundred two".