12123230130000 has 600 divisors, whose sum is σ = 46423887475680. Its totient is φ = 2927975040000.

The previous prime is 12123230129953. The next prime is 12123230130013. The reversal of 12123230130000 is 3103232121.

12123230130000 is a `hidden beast` number, since 1 + 212 + 323 + 0 + 130 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 266287239 + ... + 266332761.

Almost surely, 2^{12123230130000} is an apocalyptic number.

12123230130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12123230130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23211943737840).

12123230130000 is an abundant number, since it is smaller than the sum of its proper divisors (34300657345680).

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

12123230130000 is a wasteful number, since it uses less digits than its factorization.

12123230130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45837 (or 45813 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12123230130000 its reverse (3103232121), we get a palindrome (12126333362121).

The spelling of 12123230130000 in words is "twelve trillion, one hundred twenty-three billion, two hundred thirty million, one hundred thirty thousand".