123412215255 has 32 divisors (see below), whose sum is σ = 225681268224. Its totient is φ = 56413708416.

The previous prime is 123412215233. The next prime is 123412215287. The reversal of 123412215255 is 552512214321.

It is not a de Polignac number, because 123412215255 - 2¹⁸ = 123411953111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3273744 + ... + 3311226.

It is an arithmetic number, because the mean of its divisors is an integer number (7052539632).

Almost surely, 2^123412215255 is an apocalyptic number.

123412215255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123412215255 is a deficient number, since it is larger than the sum of its proper divisors (102269052969).

123412215255 is a wasteful number, since it uses less digits than its factorization.

123412215255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68855.

The product of its digits is 24000, while the sum is 33.

Adding to 123412215255 its reverse (552512214321), we get a palindrome (675924429576).

The spelling of 123412215255 in words is "one hundred twenty-three billion, four hundred twelve million, two hundred fifteen thousand, two hundred fifty-five".