118412612321 has 2 divisors, whose sum is σ = 118412612322. Its totient is φ = 118412612320.

The previous prime is 118412612299. The next prime is 118412612393. The reversal of 118412612321 is 123216214811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90084019600 + 28328592721 = 300140^2 + 168311^2 .

It is a cyclic number.

It is not a de Polignac number, because 118412612321 - 2¹⁴ = 118412595937 is a prime.

It is not a weakly prime, because it can be changed into another prime (118411612321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59206306160 + 59206306161.

It is an arithmetic number, because the mean of its divisors is an integer number (59206306161).

Almost surely, 2^118412612321 is an apocalyptic number.

It is an amenable number.

118412612321 is a deficient number, since it is larger than the sum of its proper divisors (1).

118412612321 is an equidigital number, since it uses as much as digits as its factorization.

118412612321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The spelling of 118412612321 in words is "one hundred eighteen billion, four hundred twelve million, six hundred twelve thousand, three hundred twenty-one".