12102212001977 has 2 divisors, whose sum is σ = 12102212001978. Its totient is φ = 12102212001976.

The previous prime is 12102212001953. The next prime is 12102212002007. The reversal of 12102212001977 is 77910021220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11886331894336 + 215880107641 = 3447656^2 + 464629^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102212001977 - 2¹⁴ = 12102211985593 is a prime.

It is a super-2 number, since 2×12102212001977² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12102212001877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051106000988 + 6051106000989.

It is an arithmetic number, because the mean of its divisors is an integer number (6051106000989).

Almost surely, 2^{12102212001977} is an apocalyptic number.

It is an amenable number.

12102212001977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102212001977 is an equidigital number, since it uses as much as digits as its factorization.

12102212001977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 12102212001977 in words is "twelve trillion, one hundred two billion, two hundred twelve million, one thousand, nine hundred seventy-seven".