12420123114 has 32 divisors (see below), whose sum is σ = 28470698496. Its totient is φ = 3538375920.

The previous prime is 12420123113. The next prime is 12420123127. The reversal of 12420123114 is 41132102421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12420123113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411532 + ... + 440679.

It is an arithmetic number, because the mean of its divisors is an integer number (889709328).

Almost surely, 2^12420123114 is an apocalyptic number.

12420123114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12420123114 is an abundant number, since it is smaller than the sum of its proper divisors (16050575382).

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

12420123114 is a wasteful number, since it uses less digits than its factorization.

12420123114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852570.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12420123114 its reverse (41132102421), we get a palindrome (53552225535).

The spelling of 12420123114 in words is "twelve billion, four hundred twenty million, one hundred twenty-three thousand, one hundred fourteen".