12162352043534 has 64 divisors (see below), whose sum is σ = 22829959890432. Its totient is φ = 4720921497600.

The previous prime is 12162352043489. The next prime is 12162352043539. The reversal of 12162352043534 is 43534025326121.

It is a junction number, because it is equal to n+sod(n) for n = 12162352043491 and 12162352043500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162352043539) 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, 301902557 + ... + 301942839.

It is an arithmetic number, because the mean of its divisors is an integer number (356718123288).

Almost surely, 2^{12162352043534} is an apocalyptic number.

12162352043534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12162352043534 is a deficient number, since it is larger than the sum of its proper divisors (10667607846898).

12162352043534 is a wasteful number, since it uses less digits than its factorization.

12162352043534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47561.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 12162352043534 its reverse (43534025326121), we get a palindrome (55696377369655).

The spelling of 12162352043534 in words is "twelve trillion, one hundred sixty-two billion, three hundred fifty-two million, forty-three thousand, five hundred thirty-four".