234011505112 has 128 divisors (see below), whose sum is σ = 555024960000. Its totient is φ = 89852175360.

The previous prime is 234011505107. The next prime is 234011505139. The reversal of 234011505112 is 211505110432.

234011505112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×234011505112² (a number of 24 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 31 ways as a sum of consecutive naturals, for example, 11720514 + ... + 11740462.

It is an arithmetic number, because the mean of its divisors is an integer number (4336132500).

Almost surely, 2^234011505112 is an apocalyptic number.

234011505112 is a gapful number since it is divisible by the number (22) 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 234011505112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277512480000).

234011505112 is an abundant number, since it is smaller than the sum of its proper divisors (321013454888).

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

234011505112 is a wasteful number, since it uses less digits than its factorization.

234011505112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20249 (or 20245 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 234011505112 its reverse (211505110432), we get a palindrome (445516615544).

The spelling of 234011505112 in words is "two hundred thirty-four billion, eleven million, five hundred five thousand, one hundred twelve".