1012202052049 has 2 divisors, whose sum is σ = 1012202052050. Its totient is φ = 1012202052048.

The previous prime is 1012202052019. The next prime is 1012202052091. The reversal of 1012202052049 is 9402502022101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611513052049 + 400689000000 = 781993^2 + 633000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012202052049 - 2⁹ = 1012202051537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012202052019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506101026024 + 506101026025.

It is an arithmetic number, because the mean of its divisors is an integer number (506101026025).

Almost surely, 2^{1012202052049} is an apocalyptic number.

It is an amenable number.

1012202052049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012202052049 is an equidigital number, since it uses as much as digits as its factorization.

1012202052049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 1012202052049 in words is "one trillion, twelve billion, two hundred two million, fifty-two thousand, forty-nine".