120212401 has 2 divisors, whose sum is σ = 120212402. Its totient is φ = 120212400.

The previous prime is 120212381. The next prime is 120212413. The reversal of 120212401 is 104212021.

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., 116208400 + 4004001 = 10780^2 + 2001^2 .

It is an emirp because it is prime and its reverse (104212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120212401 - 2¹¹ = 120210353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120212471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106200 + 60106201.

It is an arithmetic number, because the mean of its divisors is an integer number (60106201).

Almost surely, 2^120212401 is an apocalyptic number.

It is an amenable number.

120212401 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212401 is an equidigital number, since it uses as much as digits as its factorization.

120212401 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 13.

The square root of 120212401 is about 10964.1415988667. The cubic root of 120212401 is about 493.5332577303.

Adding to 120212401 its reverse (104212021), we get a palindrome (224424422).

It can be divided in two parts, 120 and 212401, that added together give a square (212521 = 461²).

The spelling of 120212401 in words is "one hundred twenty million, two hundred twelve thousand, four hundred one".