1012121133277 has 2 divisors, whose sum is σ = 1012121133278. Its totient is φ = 1012121133276.

The previous prime is 1012121133271. The next prime is 1012121133329. The reversal of 1012121133277 is 7723311212101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008164597476 + 3956535801 = 1004074^2 + 62901^2 .

It is an emirp because it is prime and its reverse (7723311212101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012121133277 - 2²⁷ = 1011986915549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012121133271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506060566638 + 506060566639.

It is an arithmetic number, because the mean of its divisors is an integer number (506060566639).

Almost surely, 2^{1012121133277} is an apocalyptic number.

It is an amenable number.

1012121133277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012121133277 is an equidigital number, since it uses as much as digits as its factorization.

1012121133277 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 31.

Adding to 1012121133277 its reverse (7723311212101), we get a palindrome (8735432345378).

The spelling of 1012121133277 in words is "one trillion, twelve billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred seventy-seven".