12311332020973 has 2 divisors, whose sum is σ = 12311332020974. Its totient is φ = 12311332020972.

The previous prime is 12311332020943. The next prime is 12311332020997. The reversal of 12311332020973 is 37902023311321.

12311332020973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7472115189289 + 4839216831684 = 2733517^2 + 2199822^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311332020973 - 2¹³ = 12311332012781 is a prime.

It is a super-2 number, since 2×12311332020973² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311332020913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155666010486 + 6155666010487.

It is an arithmetic number, because the mean of its divisors is an integer number (6155666010487).

Almost surely, 2^{12311332020973} is an apocalyptic number.

It is an amenable number.

12311332020973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311332020973 is an equidigital number, since it uses as much as digits as its factorization.

12311332020973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 12311332020973 in words is "twelve trillion, three hundred eleven billion, three hundred thirty-two million, twenty thousand, nine hundred seventy-three".