102002021312320 has 56 divisors (see below), whose sum is σ = 253452848626944. Its totient is φ = 39026860325376.

The previous prime is 102002021312311. The next prime is 102002021312353. The reversal of 102002021312320 is 23213120200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6929477784 + ... + 6929492503.

Almost surely, 2^{102002021312320} is an apocalyptic number.

102002021312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102002021312320 is an abundant number, since it is smaller than the sum of its proper divisors (151450827314624).

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

102002021312320 is a wasteful number, since it uses less digits than its factorization.

102002021312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13858970327 (or 13858970317 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102002021312320 its reverse (23213120200201), we get a palindrome (125215141512521).

The spelling of 102002021312320 in words is "one hundred two trillion, two billion, twenty-one million, three hundred twelve thousand, three hundred twenty".