121350131224 has 64 divisors (see below), whose sum is σ = 260652902400. Its totient is φ = 51884008704.

The previous prime is 121350131219. The next prime is 121350131261. The reversal of 121350131224 is 422131053121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68987257 + ... + 68989015.

It is an arithmetic number, because the mean of its divisors is an integer number (4072701600).

Almost surely, 2^121350131224 is an apocalyptic number.

121350131224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121350131224 is an abundant number, since it is smaller than the sum of its proper divisors (139302771176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121350131224 is a wasteful number, since it uses less digits than its factorization.

121350131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 121350131224 its reverse (422131053121), we get a palindrome (543481184345).

The spelling of 121350131224 in words is "one hundred twenty-one billion, three hundred fifty million, one hundred thirty-one thousand, two hundred twenty-four".