102120222112000 has 288 divisors, whose sum is σ = 256619808506880. Its totient is φ = 40492075622400.

The previous prime is 102120222111923. The next prime is 102120222112001. The reversal of 102120222112000 is 211222021201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (102120222112001) 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, 1961221966 + ... + 1961274034.

It is an arithmetic number, because the mean of its divisors is an integer number (891041001760).

Almost surely, 2^{102120222112000} is an apocalyptic number.

102120222112000 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 102120222112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128309904253440).

102120222112000 is an abundant number, since it is smaller than the sum of its proper divisors (154499586394880).

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

102120222112000 is an equidigital number, since it uses as much as digits as its factorization.

102120222112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52634 (or 52610 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102120222112000 its reverse (211222021201), we get a palindrome (102331444133201).

The spelling of 102120222112000 in words is "one hundred two trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand".