123232030012 has 72 divisors (see below), whose sum is σ = 271820882256. Its totient is φ = 48451882752.

The previous prime is 123232029937. The next prime is 123232030021. The reversal of 123232030012 is 210030232321.

It is a super-2 number, since 2×123232030012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266968 + ... + 563680.

Almost surely, 2^123232030012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123232030012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135910441128).

123232030012 is an abundant number, since it is smaller than the sum of its proper divisors (148588852244).

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

123232030012 is a wasteful number, since it uses less digits than its factorization.

123232030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296907 (or 296898 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123232030012 its reverse (210030232321), we get a palindrome (333262262333).

The spelling of 123232030012 in words is "one hundred twenty-three billion, two hundred thirty-two million, thirty thousand, twelve".