12106002540 has 24 divisors (see below), whose sum is σ = 33896807280. Its totient is φ = 3228267328.

The previous prime is 12106002529. The next prime is 12106002553. The reversal of 12106002540 is 4520060121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100883295 + ... + 100883414.

It is an arithmetic number, because the mean of its divisors is an integer number (1412366970).

Almost surely, 2^12106002540 is an apocalyptic number.

12106002540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12106002540 is an abundant number, since it is smaller than the sum of its proper divisors (21790804740).

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

12106002540 is a wasteful number, since it uses less digits than its factorization.

12106002540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201766721 (or 201766719 counting only the distinct ones).

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

Adding to 12106002540 its reverse (4520060121), we get a palindrome (16626062661).

The spelling of 12106002540 in words is "twelve billion, one hundred six million, two thousand, five hundred forty".