102203021685072 has 320 divisors, whose sum is σ = 330152618594304. Its totient is φ = 26467329208320.

The previous prime is 102203021685043. The next prime is 102203021685119. The reversal of 102203021685072 is 270586120302201.

It is a self number, because there is not a number n which added to its sum of digits gives 102203021685072.

It is a congruent number.

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, 3487785973 + ... + 3487815275.

Almost surely, 2^{102203021685072} is an apocalyptic number.

102203021685072 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 102203021685072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165076309297152).

102203021685072 is an abundant number, since it is smaller than the sum of its proper divisors (227949596909232).

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

102203021685072 is a wasteful number, since it uses less digits than its factorization.

102203021685072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32106 (or 32100 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 102203021685072 its reverse (270586120302201), we get a palindrome (372789141987273).

The spelling of 102203021685072 in words is "one hundred two trillion, two hundred three billion, twenty-one million, six hundred eighty-five thousand, seventy-two".