121341421524 has 48 divisors (see below), whose sum is σ = 292505239040. Its totient is φ = 39109979520.

The previous prime is 121341421477. The next prime is 121341421529. The reversal of 121341421524 is 425124143121.

It is a junction number, because it is equal to n+sod(n) for n = 121341421491 and 121341421500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341421529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316782 + ... + 585690.

Almost surely, 2^121341421524 is an apocalyptic number.

It is an amenable number.

121341421524 is an abundant number, since it is smaller than the sum of its proper divisors (171163817516).

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

121341421524 is a wasteful number, since it uses less digits than its factorization.

121341421524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270160 (or 270158 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 121341421524 its reverse (425124143121), we get a palindrome (546465564645).

The spelling of 121341421524 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred twenty-one thousand, five hundred twenty-four".