12154044203345 has 16 divisors (see below), whose sum is σ = 15910828515648. Its totient is φ = 8839260575040.

The previous prime is 12154044203317. The next prime is 12154044203347. The reversal of 12154044203345 is 54330244045121.

12154044203345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12154044203345 - 2⁶ = 12154044203281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12154044203299 and 12154044203308.

It is not an unprimeable number, because it can be changed into a prime (12154044203347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13936022 + ... + 14782448.

It is an arithmetic number, because the mean of its divisors is an integer number (994426782228).

Almost surely, 2^{12154044203345} is an apocalyptic number.

It is an amenable number.

12154044203345 is a deficient number, since it is larger than the sum of its proper divisors (3756784312303).

12154044203345 is a wasteful number, since it uses less digits than its factorization.

12154044203345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107520.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 12154044203345 its reverse (54330244045121), we get a palindrome (66484288248466).

The spelling of 12154044203345 in words is "twelve trillion, one hundred fifty-four billion, forty-four million, two hundred three thousand, three hundred forty-five".