120043204251 has 4 divisors (see below), whose sum is σ = 160057605672. Its totient is φ = 80028802832.

The previous prime is 120043204213. The next prime is 120043204289. The reversal of 120043204251 is 152402340021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 152402340021 = 3 ⋅50800780007.

It is an interprime number because it is at equal distance from previous prime (120043204213) and next prime (120043204289).

It is a cyclic number.

It is not a de Polignac number, because 120043204251 - 2⁶ = 120043204187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120043204291) 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 in 3 ways as a sum of consecutive naturals, for example, 20007200706 + ... + 20007200711.

It is an arithmetic number, because the mean of its divisors is an integer number (40014401418).

Almost surely, 2^120043204251 is an apocalyptic number.

120043204251 is a deficient number, since it is larger than the sum of its proper divisors (40014401421).

120043204251 is an equidigital number, since it uses as much as digits as its factorization.

120043204251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40014401420.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 120043204251 its reverse (152402340021), we get a palindrome (272445544272).

The spelling of 120043204251 in words is "one hundred twenty billion, forty-three million, two hundred four thousand, two hundred fifty-one".