123412112526 has 32 divisors (see below), whose sum is σ = 250089678720. Its totient is φ = 40594286304.

The previous prime is 123412112491. The next prime is 123412112531. The reversal of 123412112526 is 625211214321.

It is a super-2 number, since 2×123412112526² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123412112493 and 123412112502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283536 + ... + 572028.

It is an arithmetic number, because the mean of its divisors is an integer number (7815302460).

Almost surely, 2^123412112526 is an apocalyptic number.

123412112526 is an abundant number, since it is smaller than the sum of its proper divisors (126677566194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123412112526 is a wasteful number, since it uses less digits than its factorization.

123412112526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289440.

The product of its digits is 5760, while the sum is 30.

Adding to 123412112526 its reverse (625211214321), we get a palindrome (748623326847).

The spelling of 123412112526 in words is "one hundred twenty-three billion, four hundred twelve million, one hundred twelve thousand, five hundred twenty-six".