102271447212 has 192 divisors, whose sum is σ = 285845414400. Its totient is φ = 28345363200.

The previous prime is 102271447169. The next prime is 102271447247. The reversal of 102271447212 is 212744172201.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8794762 + ... + 8806382.

It is an arithmetic number, because the mean of its divisors is an integer number (1488778200).

Almost surely, 2^102271447212 is an apocalyptic number.

102271447212 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 102271447212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142922707200).

102271447212 is an abundant number, since it is smaller than the sum of its proper divisors (183573967188).

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

102271447212 is a wasteful number, since it uses less digits than its factorization.

102271447212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11709 (or 11685 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The spelling of 102271447212 in words is "one hundred two billion, two hundred seventy-one million, four hundred forty-seven thousand, two hundred twelve".