212101200011977 has 2 divisors, whose sum is σ = 212101200011978. Its totient is φ = 212101200011976.

The previous prime is 212101200011971. The next prime is 212101200012029. The reversal of 212101200011977 is 779110002101212.

212101200011977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115581657293881 + 96519542718096 = 10750891^2 + 9824436^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101200011977 - 2³¹ = 212099052528329 is a prime.

It is not a weakly prime, because it can be changed into another prime (212101200011971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050600005988 + 106050600005989.

It is an arithmetic number, because the mean of its divisors is an integer number (106050600005989).

Almost surely, 2^{212101200011977} is an apocalyptic number.

It is an amenable number.

212101200011977 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101200011977 is an equidigital number, since it uses as much as digits as its factorization.

212101200011977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 212101200011977 in words is "two hundred twelve trillion, one hundred one billion, two hundred million, eleven thousand, nine hundred seventy-seven".