102123034112 has 80 divisors (see below), whose sum is σ = 222764617152. Its totient is φ = 46384465920.

The previous prime is 102123034081. The next prime is 102123034147. The reversal of 102123034112 is 211430321201.

It is a super-2 number, since 2×102123034112² (a number of 23 digits) contains 22 as substring.

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, 8346143 + ... + 8358369.

Almost surely, 2^102123034112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102123034112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111382308576).

102123034112 is an abundant number, since it is smaller than the sum of its proper divisors (120641583040).

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

102123034112 is a wasteful number, since it uses less digits than its factorization.

102123034112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739 (or 13723 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102123034112 its reverse (211430321201), we get a palindrome (313553355313).

The spelling of 102123034112 in words is "one hundred two billion, one hundred twenty-three million, thirty-four thousand, one hundred twelve".