12120123301110 has 192 divisors, whose sum is σ = 35331395261760. Its totient is φ = 2856759459840.

The previous prime is 12120123301061. The next prime is 12120123301123. The reversal of 12120123301110 is 1110332102121.

12120123301110 is a `hidden beast` number, since 1 + 21 + 201 + 2 + 330 + 1 + 110 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51494254 + ... + 51729086.

It is an arithmetic number, because the mean of its divisors is an integer number (184017683655).

Almost surely, 2^{12120123301110} is an apocalyptic number.

12120123301110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120123301110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17665697630880).

12120123301110 is an abundant number, since it is smaller than the sum of its proper divisors (23211271960650).

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

12120123301110 is a wasteful number, since it uses less digits than its factorization.

12120123301110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236303 (or 236300 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12120123301110 its reverse (1110332102121), we get a palindrome (13230455403231).

The spelling of 12120123301110 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-three million, three hundred one thousand, one hundred ten".