212220020042415 has 288 divisors, whose sum is σ = 478833809126400. Its totient is φ = 84420592588800.

The previous prime is 212220020042341. The next prime is 212220020042417. The reversal of 212220020042415 is 514240020022212.

212220020042415 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 2 + 0 + 0 + 200 + 42 + 415 = 666.

It is not a de Polignac number, because 212220020042415 - 2¹⁰ = 212220020041391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220020042417) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 398794686 + ... + 399326484.

It is an arithmetic number, because the mean of its divisors is an integer number (1662617392800).

Almost surely, 2^{212220020042415} is an apocalyptic number.

212220020042415 is an abundant number, since it is smaller than the sum of its proper divisors (266613789083985).

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

212220020042415 is a wasteful number, since it uses less digits than its factorization.

212220020042415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531975 (or 531919 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 212220020042415 its reverse (514240020022212), we get a palindrome (726460040064627).

The spelling of 212220020042415 in words is "two hundred twelve trillion, two hundred twenty billion, twenty million, forty-two thousand, four hundred fifteen".