102112010120 has 64 divisors (see below), whose sum is σ = 235281300480. Its totient is φ = 39866570496.

The previous prime is 102112010089. The next prime is 102112010123. The reversal of 102112010120 is 21010211201.

It is a super-2 number, since 2×102112010120² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102112010123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615962 + ... + 763958.

It is an arithmetic number, because the mean of its divisors is an integer number (3676270320).

Almost surely, 2^102112010120 is an apocalyptic number.

102112010120 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 102112010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117640650240).

102112010120 is an abundant number, since it is smaller than the sum of its proper divisors (133169290360).

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

102112010120 is a wasteful number, since it uses less digits than its factorization.

102112010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148422 (or 148418 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102112010120 its reverse (21010211201), we get a palindrome (123122221321).

The spelling of 102112010120 in words is "one hundred two billion, one hundred twelve million, ten thousand, one hundred twenty".