121300030231 has 4 divisors (see below), whose sum is σ = 125212934464. Its totient is φ = 117387126000.

The previous prime is 121300030217. The next prime is 121300030237. The reversal of 121300030231 is 132030003121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121300030231 - 2¹⁵ = 121299997463 is a prime.

It is a super-2 number, since 2×121300030231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300030237) 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 in 3 ways as a sum of consecutive naturals, for example, 1956452070 + ... + 1956452131.

It is an arithmetic number, because the mean of its divisors is an integer number (31303233616).

Almost surely, 2^121300030231 is an apocalyptic number.

121300030231 is a deficient number, since it is larger than the sum of its proper divisors (3912904233).

121300030231 is an equidigital number, since it uses as much as digits as its factorization.

121300030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912904232.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121300030231 its reverse (132030003121), we get a palindrome (253330033352).

The spelling of 121300030231 in words is "one hundred twenty-one billion, three hundred million, thirty thousand, two hundred thirty-one".