102220123200 has 252 divisors, whose sum is σ = 363151966608. Its totient is φ = 25161676800.

The previous prime is 102220123183. The next prime is 102220123207. The reversal of 102220123200 is 2321022201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102220123200.

It is not an unprimeable number, because it can be changed into a prime (102220123207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 748195 + ... + 874205.

Almost surely, 2^102220123200 is an apocalyptic number.

102220123200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181575983304).

102220123200 is an abundant number, since it is smaller than the sum of its proper divisors (260931843408).

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

102220123200 is a wasteful number, since it uses less digits than its factorization.

102220123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126062 (or 126034 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102220123200 its reverse (2321022201), we get a palindrome (104541145401).

It can be divided in two parts, 1022201 and 23200, that added together give a palindrome (1045401).

The spelling of 102220123200 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-three thousand, two hundred".