120212102251 has 2 divisors, whose sum is σ = 120212102252. Its totient is φ = 120212102250.

The previous prime is 120212102191. The next prime is 120212102279. The reversal of 120212102251 is 152201212021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120212102251 - 2¹⁹ = 120211577963 is a prime.

It is not a weakly prime, because it can be changed into another prime (120212102551) 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, 60106051125 + 60106051126.

It is an arithmetic number, because the mean of its divisors is an integer number (60106051126).

Almost surely, 2^120212102251 is an apocalyptic number.

120212102251 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212102251 is an equidigital number, since it uses as much as digits as its factorization.

120212102251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 120212102251 its reverse (152201212021), we get a palindrome (272413314272).

The spelling of 120212102251 in words is "one hundred twenty billion, two hundred twelve million, one hundred two thousand, two hundred fifty-one".