18912232231301 has 16 divisors (see below), whose sum is σ = 19454825518128. Its totient is φ = 18373518643200.

The previous prime is 18912232231289. The next prime is 18912232231303. The reversal of 18912232231301 is 10313223221981.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1194244624225 + 17717987607076 = 1092815^2 + 4209274^2 .

It is a cyclic number.

It is not a de Polignac number, because 18912232231301 - 2⁶ = 18912232231237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18912232231303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 318266945 + ... + 318326361.

It is an arithmetic number, because the mean of its divisors is an integer number (1215926594883).

Almost surely, 2^{18912232231301} is an apocalyptic number.

It is an amenable number.

18912232231301 is a deficient number, since it is larger than the sum of its proper divisors (542593286827).

18912232231301 is a wasteful number, since it uses less digits than its factorization.

18912232231301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91912.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 18912232231301 in words is "eighteen trillion, nine hundred twelve billion, two hundred thirty-two million, two hundred thirty-one thousand, three hundred one".