121424412534 has 32 divisors (see below), whose sum is σ = 257261969376. Its totient is φ = 38074982400.

The previous prime is 121424412511. The next prime is 121424412539. The reversal of 121424412534 is 435214424121.

It is a junction number, because it is equal to n+sod(n) for n = 121424412495 and 121424412504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121424412539) 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 15 ways as a sum of consecutive naturals, for example, 89367 + ... + 500834.

It is an arithmetic number, because the mean of its divisors is an integer number (8039436543).

Almost surely, 2^121424412534 is an apocalyptic number.

121424412534 is an abundant number, since it is smaller than the sum of its proper divisors (135837556842).

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

121424412534 is a wasteful number, since it uses less digits than its factorization.

121424412534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592240.

The product of its digits is 30720, while the sum is 33.

Adding to 121424412534 its reverse (435214424121), we get a palindrome (556638836655).

The spelling of 121424412534 in words is "one hundred twenty-one billion, four hundred twenty-four million, four hundred twelve thousand, five hundred thirty-four".