12123205214052 has 24 divisors (see below), whose sum is σ = 28685894029632. Its totient is φ = 3984151948000.

The previous prime is 12123205214039. The next prime is 12123205214069. The reversal of 12123205214052 is 25041250232121.

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 7 ways as a sum of consecutive naturals, for example, 7114556199 + ... + 7114557902.

It is an arithmetic number, because the mean of its divisors is an integer number (1195245584568).

Almost surely, 2^{12123205214052} is an apocalyptic number.

12123205214052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12123205214052 is an abundant number, since it is smaller than the sum of its proper divisors (16562688815580).

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

12123205214052 is a wasteful number, since it uses less digits than its factorization.

12123205214052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14229114179 (or 14229114177 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 12123205214052 its reverse (25041250232121), we get a palindrome (37164455446173).

The spelling of 12123205214052 in words is "twelve trillion, one hundred twenty-three billion, two hundred five million, two hundred fourteen thousand, fifty-two".