12100403442 has 16 divisors (see below), whose sum is σ = 24256962432. Its totient is φ = 4024108560.

The previous prime is 12100403437. The next prime is 12100403449. The reversal of 12100403442 is 24430400121.

It is not an unprimeable number, because it can be changed into a prime (12100403449) 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, 2337013 + ... + 2342184.

It is an arithmetic number, because the mean of its divisors is an integer number (1516060152).

Almost surely, 2^12100403442 is an apocalyptic number.

12100403442 is an abundant number, since it is smaller than the sum of its proper divisors (12156558990).

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

12100403442 is a wasteful number, since it uses less digits than its factorization.

12100403442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679633.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12100403442 its reverse (24430400121), we get a palindrome (36530803563).

The spelling of 12100403442 in words is "twelve billion, one hundred million, four hundred three thousand, four hundred forty-two".