102000323312120 has 128 divisors (see below), whose sum is σ = 245441202494400. Its totient is φ = 38015079653376.

The previous prime is 102000323312113. The next prime is 102000323312131. The reversal of 102000323312120 is 21213323000201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102000323312092 and 102000323312101.

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, 85609922 + ... + 86793198.

Almost surely, 2^{102000323312120} is an apocalyptic number.

102000323312120 is a gapful number since it is divisible by the number (10) 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 102000323312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122720601247200).

102000323312120 is an abundant number, since it is smaller than the sum of its proper divisors (143440879182280).

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

102000323312120 is a wasteful number, since it uses less digits than its factorization.

102000323312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184577 (or 1184573 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102000323312120 its reverse (21213323000201), we get a palindrome (123213646312321).

The spelling of 102000323312120 in words is "one hundred two trillion, three hundred twenty-three million, three hundred twelve thousand, one hundred twenty".