12120201110 has 16 divisors (see below), whose sum is σ = 21859232400. Its totient is φ = 4838553696.

The previous prime is 12120201109. The next prime is 12120201127. The reversal of 12120201110 is 1110202121.

It is a junction number, because it is equal to n+sod(n) for n = 12120201091 and 12120201100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185500 + ... + 1195679.

It is an arithmetic number, because the mean of its divisors is an integer number (1366202025).

Almost surely, 2^12120201110 is an apocalyptic number.

12120201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120201110 is a deficient number, since it is larger than the sum of its proper divisors (9739031290).

12120201110 is a wasteful number, since it uses less digits than its factorization.

12120201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381695.

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

Adding to 12120201110 its reverse (1110202121), we get a palindrome (13230403231).

The spelling of 12120201110 in words is "twelve billion, one hundred twenty million, two hundred one thousand, one hundred ten".