120212232113 has 2 divisors, whose sum is σ = 120212232114. Its totient is φ = 120212232112.

The previous prime is 120212232103. The next prime is 120212232131. The reversal of 120212232113 is 311232212021.

Together with next prime (120212232131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110122431409 + 10089800704 = 331847^2 + 100448^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212232113 - 2²⁰ = 120211183537 is a prime.

It is not a weakly prime, because it can be changed into another prime (120212232103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106116056 + 60106116057.

It is an arithmetic number, because the mean of its divisors is an integer number (60106116057).

Almost surely, 2^120212232113 is an apocalyptic number.

It is an amenable number.

120212232113 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212232113 is an equidigital number, since it uses as much as digits as its factorization.

120212232113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120212232113 its reverse (311232212021), we get a palindrome (431444444134).

The spelling of 120212232113 in words is "one hundred twenty billion, two hundred twelve million, two hundred thirty-two thousand, one hundred thirteen".