102130051452 has 144 divisors (see below), whose sum is σ = 285260038560. Its totient is φ = 28246394880.

The previous prime is 102130051417. The next prime is 102130051453. The reversal of 102130051452 is 254150031201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130051453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1649568 + ... + 1710360.

It is an arithmetic number, because the mean of its divisors is an integer number (1980972490).

Almost surely, 2^102130051452 is an apocalyptic number.

102130051452 is a gapful number since it is divisible by the number (12) 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 102130051452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142630019280).

102130051452 is an abundant number, since it is smaller than the sum of its proper divisors (183129987108).

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

102130051452 is a wasteful number, since it uses less digits than its factorization.

102130051452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60924 (or 60911 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 102130051452 its reverse (254150031201), we get a palindrome (356280082653).

The spelling of 102130051452 in words is "one hundred two billion, one hundred thirty million, fifty-one thousand, four hundred fifty-two".