12145343134 has 16 divisors (see below), whose sum is σ = 19189843200. Its totient is φ = 5749161624.

The previous prime is 12145343117. The next prime is 12145343137. The reversal of 12145343134 is 43134354121.

It is a junction number, because it is equal to n+sod(n) for n = 12145343096 and 12145343105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12145343137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50964 + ... + 163975.

It is an arithmetic number, because the mean of its divisors is an integer number (1199365200).

Almost surely, 2^12145343134 is an apocalyptic number.

12145343134 is a deficient number, since it is larger than the sum of its proper divisors (7044500066).

12145343134 is a wasteful number, since it uses less digits than its factorization.

12145343134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216447.

The product of its digits is 17280, while the sum is 31.

Adding to 12145343134 its reverse (43134354121), we get a palindrome (55279697255).

The spelling of 12145343134 in words is "twelve billion, one hundred forty-five million, three hundred forty-three thousand, one hundred thirty-four".