120010011257 has 2 divisors, whose sum is σ = 120010011258. Its totient is φ = 120010011256.

The previous prime is 120010011181. The next prime is 120010011269. The reversal of 120010011257 is 752110010021.

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., 113765218681 + 6244792576 = 337291^2 + 79024^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010011257 - 2¹⁸ = 120009749113 is a prime.

It is not a weakly prime, because it can be changed into another prime (120010011287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005005628 + 60005005629.

It is an arithmetic number, because the mean of its divisors is an integer number (60005005629).

Almost surely, 2^120010011257 is an apocalyptic number.

It is an amenable number.

120010011257 is a deficient number, since it is larger than the sum of its proper divisors (1).

120010011257 is an equidigital number, since it uses as much as digits as its factorization.

120010011257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 120010011257 its reverse (752110010021), we get a palindrome (872120021278).

The spelling of 120010011257 in words is "one hundred twenty billion, ten million, eleven thousand, two hundred fifty-seven".