12354430641 has 32 divisors (see below), whose sum is σ = 18897223680. Its totient is φ = 7032954816.

The previous prime is 12354430631. The next prime is 12354430681. The reversal of 12354430641 is 14603445321.

It is a happy number.

It is not a de Polignac number, because 12354430641 - 2¹⁰ = 12354429617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12354430601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9036940 + ... + 9038306.

It is an arithmetic number, because the mean of its divisors is an integer number (590538240).

Almost surely, 2^12354430641 is an apocalyptic number.

It is an amenable number.

12354430641 is a deficient number, since it is larger than the sum of its proper divisors (6542793039).

12354430641 is a wasteful number, since it uses less digits than its factorization.

12354430641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 12354430641 its reverse (14603445321), we get a palindrome (26957875962).

The spelling of 12354430641 in words is "twelve billion, three hundred fifty-four million, four hundred thirty thousand, six hundred forty-one".