112120002012257 has 2 divisors, whose sum is σ = 112120002012258. Its totient is φ = 112120002012256.

The previous prime is 112120002012217. The next prime is 112120002012283. The reversal of 112120002012257 is 752210200021211.

It is an a-pointer prime, because the next prime (112120002012283) can be obtained adding 112120002012257 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64473576847936 + 47646425164321 = 8029544^2 + 6902639^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120002012257 - 2²⁸ = 112119733576801 is a prime.

It is not a weakly prime, because it can be changed into another prime (112120002012217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060001006128 + 56060001006129.

It is an arithmetic number, because the mean of its divisors is an integer number (56060001006129).

Almost surely, 2^{112120002012257} is an apocalyptic number.

It is an amenable number.

112120002012257 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120002012257 is an equidigital number, since it uses as much as digits as its factorization.

112120002012257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 112120002012257 its reverse (752210200021211), we get a palindrome (864330202033468).

The spelling of 112120002012257 in words is "one hundred twelve trillion, one hundred twenty billion, two million, twelve thousand, two hundred fifty-seven".