12154233501444 has 24 divisors (see below), whose sum is σ = 29852503337440. Its totient is φ = 3838179000384.

The previous prime is 12154233501437. The next prime is 12154233501491. The reversal of 12154233501444 is 44410533245121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26654020609 + ... + 26654021064.

Almost surely, 2^{12154233501444} is an apocalyptic number.

It is an amenable number.

12154233501444 is an abundant number, since it is smaller than the sum of its proper divisors (17698269835996).

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

12154233501444 is a wasteful number, since it uses less digits than its factorization.

12154233501444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53308041699 (or 53308041697 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 12154233501444 its reverse (44410533245121), we get a palindrome (56564766746565).

The spelling of 12154233501444 in words is "twelve trillion, one hundred fifty-four billion, two hundred thirty-three million, five hundred one thousand, four hundred forty-four".