231120130212232 has 16 divisors (see below), whose sum is σ = 445062412909260. Its totient is φ = 112436820103104.

The previous prime is 231120130212221. The next prime is 231120130212311. The reversal of 231120130212232 is 232212031021132.

It can be written as a sum of positive squares in 2 ways, for example, as 226991406942756 + 4128723269476 = 15066234^2 + 2031926^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231120130212197 and 231120130212206.

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 3 ways as a sum of consecutive naturals, for example, 390405625063 + ... + 390405625654.

Almost surely, 2^{231120130212232} is an apocalyptic number.

It is an amenable number.

231120130212232 is a deficient number, since it is larger than the sum of its proper divisors (213942282697028).

231120130212232 is a wasteful number, since it uses less digits than its factorization.

231120130212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780811250760 (or 780811250756 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 231120130212232 its reverse (232212031021132), we get a palindrome (463332161233364).

The spelling of 231120130212232 in words is "two hundred thirty-one trillion, one hundred twenty billion, one hundred thirty million, two hundred twelve thousand, two hundred thirty-two".