216232021302 has 64 divisors (see below), whose sum is σ = 476639935488. Its totient is φ = 64850240000.

The previous prime is 216232021289. The next prime is 216232021303. The reversal of 216232021302 is 203120232612.

It is a super-3 number, since 3×216232021302³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216232021303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22706302 + ... + 22715822.

It is an arithmetic number, because the mean of its divisors is an integer number (7447498992).

Almost surely, 2^216232021302 is an apocalyptic number.

216232021302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 216232021302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238319967744).

216232021302 is an abundant number, since it is smaller than the sum of its proper divisors (260407914186).

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

216232021302 is a wasteful number, since it uses less digits than its factorization.

216232021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13045.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 216232021302 its reverse (203120232612), we get a palindrome (419352253914).

The spelling of 216232021302 in words is "two hundred sixteen billion, two hundred thirty-two million, twenty-one thousand, three hundred two".