100331213212073 has 2 divisors, whose sum is σ = 100331213212074. Its totient is φ = 100331213212072.

The previous prime is 100331213211997. The next prime is 100331213212093. The reversal of 100331213212073 is 370212312133001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94593286424464 + 5737926787609 = 9725908^2 + 2395397^2 .

It is a cyclic number.

It is not a de Polignac number, because 100331213212073 - 2²⁴ = 100331196434857 is a prime.

It is not a weakly prime, because it can be changed into another prime (100331213212093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50165606606036 + 50165606606037.

It is an arithmetic number, because the mean of its divisors is an integer number (50165606606037).

Almost surely, 2^{100331213212073} is an apocalyptic number.

It is an amenable number.

100331213212073 is a deficient number, since it is larger than the sum of its proper divisors (1).

100331213212073 is an equidigital number, since it uses as much as digits as its factorization.

100331213212073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 100331213212073 its reverse (370212312133001), we get a palindrome (470543525345074).

The spelling of 100331213212073 in words is "one hundred trillion, three hundred thirty-one billion, two hundred thirteen million, two hundred twelve thousand, seventy-three".