216120027142 has 8 divisors (see below), whose sum is σ = 324182032056. Its totient is φ = 108059349792.

The previous prime is 216120027127. The next prime is 216120027157. The reversal of 216120027142 is 241720021612.

It is an interprime number because it is at equal distance from previous prime (216120027127) and next prime (216120027157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×216120027142² (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 216120027142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383518 + ... + 761134.

It is an arithmetic number, because the mean of its divisors is an integer number (40522754007).

Almost surely, 2^216120027142 is an apocalyptic number.

216120027142 is a deficient number, since it is larger than the sum of its proper divisors (108062004914).

216120027142 is a wasteful number, since it uses less digits than its factorization.

216120027142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663782.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 216120027142 its reverse (241720021612), we get a palindrome (457840048754).

The spelling of 216120027142 in words is "two hundred sixteen billion, one hundred twenty million, twenty-seven thousand, one hundred forty-two".