2020012112257 has 2 divisors, whose sum is σ = 2020012112258. Its totient is φ = 2020012112256.

The previous prime is 2020012112099. The next prime is 2020012112269. The reversal of 2020012112257 is 7522112100202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1553435684161 + 466576428096 = 1246369^2 + 683064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020012112257 - 2²³ = 2020003723649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020012112357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010006056128 + 1010006056129.

It is an arithmetic number, because the mean of its divisors is an integer number (1010006056129).

Almost surely, 2^{2020012112257} is an apocalyptic number.

It is an amenable number.

2020012112257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020012112257 is an equidigital number, since it uses as much as digits as its factorization.

2020012112257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 2020012112257 its reverse (7522112100202), we get a palindrome (9542124212459).

The spelling of 2020012112257 in words is "two trillion, twenty billion, twelve million, one hundred twelve thousand, two hundred fifty-seven".