215224304242132 has 24 divisors (see below), whose sum is σ = 385427032819136. Its totient is φ = 105102624368448.

The previous prime is 215224304242117. The next prime is 215224304242169. The reversal of 215224304242132 is 231242403422512.

It is a super-2 number, since 2×215224304242132² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215224304242091 and 215224304242100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38567088 + ... + 43793479.

Almost surely, 2^{215224304242132} is an apocalyptic number.

It is an amenable number.

215224304242132 is a deficient number, since it is larger than the sum of its proper divisors (170202728577004).

215224304242132 is a wasteful number, since it uses less digits than its factorization.

215224304242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82375807 (or 82375805 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 215224304242132 its reverse (231242403422512), we get a palindrome (446466707664644).

The spelling of 215224304242132 in words is "two hundred fifteen trillion, two hundred twenty-four billion, three hundred four million, two hundred forty-two thousand, one hundred thirty-two".