1211033132977 has 2 divisors, whose sum is σ = 1211033132978. Its totient is φ = 1211033132976.

The previous prime is 1211033132963. The next prime is 1211033133001. The reversal of 1211033132977 is 7792313301121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959702366736 + 251330766241 = 979644^2 + 501329^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211033132977 - 2⁷ = 1211033132849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211033132077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605516566488 + 605516566489.

It is an arithmetic number, because the mean of its divisors is an integer number (605516566489).

Almost surely, 2^{1211033132977} is an apocalyptic number.

It is an amenable number.

1211033132977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211033132977 is an equidigital number, since it uses as much as digits as its factorization.

1211033132977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 1211033132977 in words is "one trillion, two hundred eleven billion, thirty-three million, one hundred thirty-two thousand, nine hundred seventy-seven".