12113822167658 has 4 divisors (see below), whose sum is σ = 18170733251490. Its totient is φ = 6056911083828.

The previous prime is 12113822167621. The next prime is 12113822167663. The reversal of 12113822167658 is 85676122831121.

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

It can be written as a sum of positive squares in only one way, i.e., 6678363568009 + 5435458599649 = 2584253^2 + 2331407^2 .

It is a super-2 number, since 2×12113822167658² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3028455541913 + ... + 3028455541916.

Almost surely, 2^{12113822167658} is an apocalyptic number.

12113822167658 is a deficient number, since it is larger than the sum of its proper divisors (6056911083832).

12113822167658 is an equidigital number, since it uses as much as digits as its factorization.

12113822167658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056911083831.

The product of its digits is 1935360, while the sum is 53.

Adding to 12113822167658 its reverse (85676122831121), we get a palindrome (97789944998779).

The spelling of 12113822167658 in words is "twelve trillion, one hundred thirteen billion, eight hundred twenty-two million, one hundred sixty-seven thousand, six hundred fifty-eight".