233712712130 has 16 divisors (see below), whose sum is σ = 420927353784. Its totient is φ = 93430757760.

The previous prime is 233712712127. The next prime is 233712712139. The reversal of 233712712130 is 31217217332.

It can be written as a sum of positive squares in 4 ways, for example, as 221954996641 + 11757715489 = 471121^2 + 108433^2 .

It is a super-2 number, since 2×233712712130² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233712712139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6772817 + ... + 6807236.

Almost surely, 2^233712712130 is an apocalyptic number.

233712712130 is a deficient number, since it is larger than the sum of its proper divisors (187214641654).

233712712130 is a wasteful number, since it uses less digits than its factorization.

233712712130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581781.

The product of its (nonzero) digits is 10584, while the sum is 32.

Adding to 233712712130 its reverse (31217217332), we get a palindrome (264929929462).

The spelling of 233712712130 in words is "two hundred thirty-three billion, seven hundred twelve million, seven hundred twelve thousand, one hundred thirty".