102212221231232 has 256 divisors, whose sum is σ = 236422184140800. Its totient is φ = 43113497591808.

The previous prime is 102212221231231. The next prime is 102212221231279. The reversal of 102212221231232 is 232132122212201.

It is not an unprimeable number, because it can be changed into a prime (102212221231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35952239603 + ... + 35952242445.

It is an arithmetic number, because the mean of its divisors is an integer number (923524156800).

Almost surely, 2^{102212221231232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212221231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118211092070400).

102212221231232 is an abundant number, since it is smaller than the sum of its proper divisors (134209962909568).

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

102212221231232 is a wasteful number, since it uses less digits than its factorization.

102212221231232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5403 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 102212221231232 its reverse (232132122212201), we get a palindrome (334344343443433).

The spelling of 102212221231232 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-two".