102442102392 has 128 divisors (see below), whose sum is σ = 295081920000. Its totient is φ = 29031008256.

The previous prime is 102442102379. The next prime is 102442102429. The reversal of 102442102392 is 293201244201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12295284 + ... + 12303612.

It is an arithmetic number, because the mean of its divisors is an integer number (2305327500).

Almost surely, 2^102442102392 is an apocalyptic number.

102442102392 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 102442102392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147540960000).

102442102392 is an abundant number, since it is smaller than the sum of its proper divisors (192639817608).

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

102442102392 is a wasteful number, since it uses less digits than its factorization.

102442102392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8933 (or 8929 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 102442102392 its reverse (293201244201), we get a palindrome (395643346593).

The spelling of 102442102392 in words is "one hundred two billion, four hundred forty-two million, one hundred two thousand, three hundred ninety-two".