12348321102 has 128 divisors (see below), whose sum is σ = 30165004800. Its totient is φ = 3721116672.

The previous prime is 12348321077. The next prime is 12348321119. The reversal of 12348321102 is 20112384321.

12348321102 is a `hidden beast` number, since 1 + 234 + 8 + 321 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18347838 + ... + 18348510.

It is an arithmetic number, because the mean of its divisors is an integer number (235664100).

Almost surely, 2^12348321102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12348321102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082502400).

12348321102 is an abundant number, since it is smaller than the sum of its proper divisors (17816683698).

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

12348321102 is a wasteful number, since it uses less digits than its factorization.

12348321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 12348321102 its sum of digits (27), we get a square (12348321129 = 111123²).

The spelling of 12348321102 in words is "twelve billion, three hundred forty-eight million, three hundred twenty-one thousand, one hundred two".