120511230251 has 8 divisors (see below), whose sum is σ = 126901085520. Its totient is φ = 114126090912.

The previous prime is 120511230221. The next prime is 120511230277. The reversal of 120511230251 is 152032115021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120511230251 - 2²⁶ = 120444121387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120511230221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126460 + ... + 1228793.

It is an arithmetic number, because the mean of its divisors is an integer number (15862635690).

Almost surely, 2^120511230251 is an apocalyptic number.

120511230251 is a deficient number, since it is larger than the sum of its proper divisors (6389855269).

120511230251 is a wasteful number, since it uses less digits than its factorization.

120511230251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357965.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 120511230251 its reverse (152032115021), we get a palindrome (272543345272).

The spelling of 120511230251 in words is "one hundred twenty billion, five hundred eleven million, two hundred thirty thousand, two hundred fifty-one".