120011201957 has 2 divisors, whose sum is σ = 120011201958. Its totient is φ = 120011201956.

The previous prime is 120011201951. The next prime is 120011202013. The reversal of 120011201957 is 759102110021.

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., 68224917601 + 51786284356 = 261199^2 + 227566^2 .

It is an emirp because it is prime and its reverse (759102110021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120011201957 - 2⁴ = 120011201941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011201951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005600978 + 60005600979.

It is an arithmetic number, because the mean of its divisors is an integer number (60005600979).

Almost surely, 2^120011201957 is an apocalyptic number.

It is an amenable number.

120011201957 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011201957 is an equidigital number, since it uses as much as digits as its factorization.

120011201957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 29.

Adding to 120011201957 its reverse (759102110021), we get a palindrome (879113311978).

The spelling of 120011201957 in words is "one hundred twenty billion, eleven million, two hundred one thousand, nine hundred fifty-seven".