121413001424 has 40 divisors (see below), whose sum is σ = 276363165792. Its totient is φ = 50942517120.

The previous prime is 121413001421. The next prime is 121413001429. The reversal of 121413001424 is 424100314121.

It is a super-2 number, since 2×121413001424² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121413001424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413001421) 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, 26530274 + ... + 26534849.

Almost surely, 2^121413001424 is an apocalyptic number.

It is an amenable number.

121413001424 is an abundant number, since it is smaller than the sum of its proper divisors (154950164368).

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

121413001424 is a wasteful number, since it uses less digits than its factorization.

121413001424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53065155 (or 53065149 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121413001424 its reverse (424100314121), we get a palindrome (545513315545).

The spelling of 121413001424 in words is "one hundred twenty-one billion, four hundred thirteen million, one thousand, four hundred twenty-four".