12354134155 has 32 divisors (see below), whose sum is σ = 16449039360. Its totient is φ = 8832295680.

The previous prime is 12354134137. The next prime is 12354134159. The reversal of 12354134155 is 55143145321.

It is not a de Polignac number, because 12354134155 - 2⁹ = 12354133643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12354134155.

It is not an unprimeable number, because it can be changed into a prime (12354134159) 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, 1006284 + ... + 1018486.

It is an arithmetic number, because the mean of its divisors is an integer number (514032480).

Almost surely, 2^12354134155 is an apocalyptic number.

12354134155 is a deficient number, since it is larger than the sum of its proper divisors (4094905205).

12354134155 is a wasteful number, since it uses less digits than its factorization.

12354134155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its digits is 36000, while the sum is 34.

Adding to 12354134155 its reverse (55143145321), we get a palindrome (67497279476).

The spelling of 12354134155 in words is "twelve billion, three hundred fifty-four million, one hundred thirty-four thousand, one hundred fifty-five".