12000435465155 has 4 divisors (see below), whose sum is σ = 14400522558192. Its totient is φ = 9600348372120.

The previous prime is 12000435465131. The next prime is 12000435465301. The reversal of 12000435465155 is 55156453400021.

12000435465155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12000435465155 - 2¹⁰ = 12000435464131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200043546511 + ... + 1200043546520.

It is an arithmetic number, because the mean of its divisors is an integer number (3600130639548).

Almost surely, 2^{12000435465155} is an apocalyptic number.

12000435465155 is a deficient number, since it is larger than the sum of its proper divisors (2400087093037).

12000435465155 is an equidigital number, since it uses as much as digits as its factorization.

12000435465155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400087093036.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 12000435465155 its reverse (55156453400021), we get a palindrome (67156888865176).

The spelling of 12000435465155 in words is "twelve trillion, four hundred thirty-five million, four hundred sixty-five thousand, one hundred fifty-five".