121412404413 has 40 divisors (see below), whose sum is σ = 184227750432. Its totient is φ = 79667859744.

The previous prime is 121412404411. The next prime is 121412404453. The reversal of 121412404413 is 314404214121.

121412404413 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 1 + 240 + 4 + 413 = 666.

It is not a de Polignac number, because 121412404413 - 2¹ = 121412404411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121412404411) 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 39 ways as a sum of consecutive naturals, for example, 7084531 + ... + 7101647.

Almost surely, 2^121412404413 is an apocalyptic number.

It is an amenable number.

121412404413 is a deficient number, since it is larger than the sum of its proper divisors (62815346019).

121412404413 is a wasteful number, since it uses less digits than its factorization.

121412404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18503 (or 18494 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 121412404413 its reverse (314404214121), we get a palindrome (435816618534).

It can be divided in two parts, 121412 and 404413, that added together give a triangular number (525825 = T₁₀₂₅).

The spelling of 121412404413 in words is "one hundred twenty-one billion, four hundred twelve million, four hundred four thousand, four hundred thirteen".