421134133512215 has 32 divisors (see below), whose sum is σ = 524805483110400. Its totient is φ = 324034401075840.

The previous prime is 421134133512187. The next prime is 421134133512271. The reversal of 421134133512215 is 512215331431124.

It is not a de Polignac number, because 421134133512215 - 2⁶ = 421134133512151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231050606 + ... + 232866164.

It is an arithmetic number, because the mean of its divisors is an integer number (16400171347200).

Almost surely, 2^{421134133512215} is an apocalyptic number.

421134133512215 is a deficient number, since it is larger than the sum of its proper divisors (103671349598185).

421134133512215 is a wasteful number, since it uses less digits than its factorization.

421134133512215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821767.

The product of its digits is 86400, while the sum is 38.

Adding to 421134133512215 its reverse (512215331431124), we get a palindrome (933349464943339).

The spelling of 421134133512215 in words is "four hundred twenty-one trillion, one hundred thirty-four billion, one hundred thirty-three million, five hundred twelve thousand, two hundred fifteen".