102001130400 has 144 divisors (see below), whose sum is σ = 357553302624. Its totient is φ = 25107962880.

The previous prime is 102001130293. The next prime is 102001130401. The reversal of 102001130400 is 4031100201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (102001130401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603434 + ... + 1665833.

It is an arithmetic number, because the mean of its divisors is an integer number (2483009046).

Almost surely, 2^102001130400 is an apocalyptic number.

102001130400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001130400 is an abundant number, since it is smaller than the sum of its proper divisors (255552172224).

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

102001130400 is a wasteful number, since it uses less digits than its factorization.

102001130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269303 (or 3269290 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102001130400 its reverse (4031100201), we get a palindrome (106032230601).

The spelling of 102001130400 in words is "one hundred two billion, one million, one hundred thirty thousand, four hundred".