102299254512 has 240 divisors, whose sum is σ = 341750126592. Its totient is φ = 26109457920.

The previous prime is 102299254511. The next prime is 102299254513. The reversal of 102299254512 is 215452992201.

It is an interprime number because it is at equal distance from previous prime (102299254511) and next prime (102299254513).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102299254511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 893893 + ... + 1001819.

Almost surely, 2^102299254512 is an apocalyptic number.

102299254512 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 102299254512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170875063296).

102299254512 is an abundant number, since it is smaller than the sum of its proper divisors (239450872080).

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

102299254512 is a wasteful number, since it uses less digits than its factorization.

102299254512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107996 (or 107983 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 102299254512 in words is "one hundred two billion, two hundred ninety-nine million, two hundred fifty-four thousand, five hundred twelve".