120213121177 has 2 divisors, whose sum is σ = 120213121178. Its totient is φ = 120213121176.

The previous prime is 120213121153. The next prime is 120213121187. The reversal of 120213121177 is 771121312021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76653674496 + 43559446681 = 276864^2 + 208709^2 .

It is a cyclic number.

It is not a de Polignac number, because 120213121177 - 2¹⁵ = 120213088409 is a prime.

It is not a weakly prime, because it can be changed into another prime (120213121117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106560588 + 60106560589.

It is an arithmetic number, because the mean of its divisors is an integer number (60106560589).

Almost surely, 2^120213121177 is an apocalyptic number.

It is an amenable number.

120213121177 is a deficient number, since it is larger than the sum of its proper divisors (1).

120213121177 is an equidigital number, since it uses as much as digits as its factorization.

120213121177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

Adding to 120213121177 its reverse (771121312021), we get a palindrome (891334433198).

The spelling of 120213121177 in words is "one hundred twenty billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred seventy-seven".