121233010253 has 2 divisors, whose sum is σ = 121233010254. Its totient is φ = 121233010252.

The previous prime is 121233010229. The next prime is 121233010267. The reversal of 121233010253 is 352010332121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75077644009 + 46155366244 = 274003^2 + 214838^2 .

It is a cyclic number.

It is not a de Polignac number, because 121233010253 - 2¹⁶ = 121232944717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121233010753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616505126 + 60616505127.

It is an arithmetic number, because the mean of its divisors is an integer number (60616505127).

Almost surely, 2^121233010253 is an apocalyptic number.

It is an amenable number.

121233010253 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233010253 is an equidigital number, since it uses as much as digits as its factorization.

121233010253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 121233010253 its reverse (352010332121), we get a palindrome (473243342374).

The spelling of 121233010253 in words is "one hundred twenty-one billion, two hundred thirty-three million, ten thousand, two hundred fifty-three".