12115445010 has 32 divisors (see below), whose sum is σ = 29079974592. Its totient is φ = 3230462400.

The previous prime is 12115444997. The next prime is 12115445021. The reversal of 12115445010 is 1054451121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537997 + ... + 560063.

It is an arithmetic number, because the mean of its divisors is an integer number (908749206).

Almost surely, 2^12115445010 is an apocalyptic number.

12115445010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12115445010 is an abundant number, since it is smaller than the sum of its proper divisors (16964529582).

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

12115445010 is a wasteful number, since it uses less digits than its factorization.

12115445010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40378.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12115445010 its reverse (1054451121), we get a palindrome (13169896131).

The spelling of 12115445010 in words is "twelve billion, one hundred fifteen million, four hundred forty-five thousand, ten".