120212122001 has 2 divisors, whose sum is σ = 120212122002. Its totient is φ = 120212122000.

The previous prime is 120212121979. The next prime is 120212122013. The reversal of 120212122001 is 100221212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114972533776 + 5239588225 = 339076^2 + 72385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120212122001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (120212122301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106061000 + 60106061001.

It is an arithmetic number, because the mean of its divisors is an integer number (60106061001).

Almost surely, 2^120212122001 is an apocalyptic number.

It is an amenable number.

120212122001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212122001 is an equidigital number, since it uses as much as digits as its factorization.

120212122001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120212122001 its reverse (100221212021), we get a palindrome (220433334022).

The spelling of 120212122001 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, one".