123102012013200 has 720 divisors, whose sum is σ = 470338039117440. Its totient is φ = 29567526912000.

The previous prime is 123102012013187. The next prime is 123102012013223. The reversal of 123102012013200 is 2310210201321.

123102012013200 is a `hidden beast` number, since 1 + 2 + 310 + 20 + 12 + 0 + 1 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 22467968061 + ... + 22467973539.

It is an arithmetic number, because the mean of its divisors is an integer number (653247276552).

Almost surely, 2^{123102012013200} is an apocalyptic number.

123102012013200 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 123102012013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235169019558720).

123102012013200 is an abundant number, since it is smaller than the sum of its proper divisors (347236027104240).

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

123102012013200 is a wasteful number, since it uses less digits than its factorization.

123102012013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123102012013200 its reverse (2310210201321), we get a palindrome (125412222214521).

The spelling of 123102012013200 in words is "one hundred twenty-three trillion, one hundred two billion, twelve million, thirteen thousand, two hundred".