2212009940977 has 2 divisors, whose sum is σ = 2212009940978. Its totient is φ = 2212009940976.

The previous prime is 2212009940963. The next prime is 2212009940999. The reversal of 2212009940977 is 7790499002122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257322660416 + 954687280561 = 1121304^2 + 977081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212009940977 - 2¹⁵ = 2212009908209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212009940927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106004970488 + 1106004970489.

It is an arithmetic number, because the mean of its divisors is an integer number (1106004970489).

Almost surely, 2^{2212009940977} is an apocalyptic number.

It is an amenable number.

2212009940977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212009940977 is an equidigital number, since it uses as much as digits as its factorization.

2212009940977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 2212009940977 in words is "two trillion, two hundred twelve billion, nine million, nine hundred forty thousand, nine hundred seventy-seven".