12103403554 has 16 divisors (see below), whose sum is σ = 19890580320. Its totient is φ = 5477932960.

The previous prime is 12103403527. The next prime is 12103403561. The reversal of 12103403554 is 45530430121.

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, 1175464 + ... + 1185715.

It is an arithmetic number, because the mean of its divisors is an integer number (1243161270).

Almost surely, 2^12103403554 is an apocalyptic number.

12103403554 is a deficient number, since it is larger than the sum of its proper divisors (7787176766).

12103403554 is a wasteful number, since it uses less digits than its factorization.

12103403554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361425.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12103403554 its reverse (45530430121), we get a palindrome (57633833675).

The spelling of 12103403554 in words is "twelve billion, one hundred three million, four hundred three thousand, five hundred fifty-four".