120005213971 has 2 divisors, whose sum is σ = 120005213972. Its totient is φ = 120005213970.

The previous prime is 120005213941. The next prime is 120005213981. The reversal of 120005213971 is 179312500021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120005213971 - 2⁷ = 120005213843 is a prime.

It is not a weakly prime, because it can be changed into another prime (120005213941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002606985 + 60002606986.

It is an arithmetic number, because the mean of its divisors is an integer number (60002606986).

Almost surely, 2^120005213971 is an apocalyptic number.

120005213971 is a deficient number, since it is larger than the sum of its proper divisors (1).

120005213971 is an equidigital number, since it uses as much as digits as its factorization.

120005213971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

Adding to 120005213971 its reverse (179312500021), we get a palindrome (299317713992).

The spelling of 120005213971 in words is "one hundred twenty billion, five million, two hundred thirteen thousand, nine hundred seventy-one".