12103052154 has 64 divisors (see below), whose sum is σ = 25719120000. Its totient is φ = 3790223360.

The previous prime is 12103052107. The next prime is 12103052173. The reversal of 12103052154 is 45125030121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2987122 + ... + 2991170.

It is an arithmetic number, because the mean of its divisors is an integer number (401861250).

Almost surely, 2^12103052154 is an apocalyptic number.

12103052154 is an abundant number, since it is smaller than the sum of its proper divisors (13616067846).

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

12103052154 is a wasteful number, since it uses less digits than its factorization.

12103052154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12103052154 its reverse (45125030121), we get a palindrome (57228082275).

The spelling of 12103052154 in words is "twelve billion, one hundred three million, fifty-two thousand, one hundred fifty-four".