12115102 has 4 divisors (see below), whose sum is σ = 18172656. Its totient is φ = 6057550.

The previous prime is 12115091. The next prime is 12115123. The reversal of 12115102 is 20151121.

It is a semiprime because it is the product of two primes.

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, 3028774 + ... + 3028777.

It is an arithmetic number, because the mean of its divisors is an integer number (4543164).

Almost surely, 2^12115102 is an apocalyptic number.

12115102 is a deficient number, since it is larger than the sum of its proper divisors (6057554).

12115102 is an equidigital number, since it uses as much as digits as its factorization.

12115102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057553.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12115102 is about 3480.6755091505. The cubic root of 12115102 is about 229.6725143971.

Adding to 12115102 its reverse (20151121), we get a palindrome (32266223).

The spelling of 12115102 in words is "twelve million, one hundred fifteen thousand, one hundred two".