102342100120 has 128 divisors (see below), whose sum is σ = 256267851840. Its totient is φ = 36542822400.

The previous prime is 102342100087. The next prime is 102342100177. The reversal of 102342100120 is 21001243201.

It is a junction number, because it is equal to n+sod(n) for n = 102342100094 and 102342100103.

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, 2235702 + ... + 2281018.

Almost surely, 2^102342100120 is an apocalyptic number.

102342100120 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 102342100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128133925920).

102342100120 is an abundant number, since it is smaller than the sum of its proper divisors (153925751720).

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

102342100120 is a wasteful number, since it uses less digits than its factorization.

102342100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45485 (or 45481 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102342100120 its reverse (21001243201), we get a palindrome (123343343321).

The spelling of 102342100120 in words is "one hundred two billion, three hundred forty-two million, one hundred thousand, one hundred twenty".