102212544522 has 64 divisors (see below), whose sum is σ = 227279213568. Its totient is φ = 30384288000.

The previous prime is 102212544451. The next prime is 102212544563. The reversal of 102212544522 is 225445212201.

It is a self number, because there is not a number n which added to its sum of digits gives 102212544522.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017747 + ... + 1113657.

It is an arithmetic number, because the mean of its divisors is an integer number (3551237712).

Almost surely, 2^102212544522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102212544522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113639606784).

102212544522 is an abundant number, since it is smaller than the sum of its proper divisors (125066669046).

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

102212544522 is a wasteful number, since it uses less digits than its factorization.

102212544522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96235.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 102212544522 its reverse (225445212201), we get a palindrome (327657756723).

The spelling of 102212544522 in words is "one hundred two billion, two hundred twelve million, five hundred forty-four thousand, five hundred twenty-two".