12154124611047 has 16 divisors (see below), whose sum is σ = 16448118560640. Its totient is φ = 7981451171232.

The previous prime is 12154124611039. The next prime is 12154124611087. The reversal of 12154124611047 is 74011642145121.

It is not a de Polignac number, because 12154124611047 - 2³ = 12154124611039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12154124610996 and 12154124611014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12154124611007) 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, 3107908 + ... + 5828150.

It is an arithmetic number, because the mean of its divisors is an integer number (1028007410040).

Almost surely, 2^{12154124611047} is an apocalyptic number.

12154124611047 is a deficient number, since it is larger than the sum of its proper divisors (4293993949593).

12154124611047 is a wasteful number, since it uses less digits than its factorization.

12154124611047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742542.

The product of its (nonzero) digits is 53760, while the sum is 39.

Adding to 12154124611047 its reverse (74011642145121), we get a palindrome (86165766756168).

The spelling of 12154124611047 in words is "twelve trillion, one hundred fifty-four billion, one hundred twenty-four million, six hundred eleven thousand, forty-seven".