12115042210 has 16 divisors (see below), whose sum is σ = 21903146496. Its totient is φ = 4824667888.

The previous prime is 12115042183. The next prime is 12115042211. The reversal of 12115042210 is 1224051121.

It is not an unprimeable number, because it can be changed into a prime (12115042211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666242 + ... + 2670781.

It is an arithmetic number, because the mean of its divisors is an integer number (1368946656).

Almost surely, 2^12115042210 is an apocalyptic number.

12115042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12115042210 is a deficient number, since it is larger than the sum of its proper divisors (9788104286).

12115042210 is a wasteful number, since it uses less digits than its factorization.

12115042210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337257.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12115042210 its reverse (1224051121), we get a palindrome (13339093331).

The spelling of 12115042210 in words is "twelve billion, one hundred fifteen million, forty-two thousand, two hundred ten".