12120201021112 has 32 divisors (see below), whose sum is σ = 22798401948000. Its totient is φ = 6040639223424.

The previous prime is 12120201021107. The next prime is 12120201021139. The reversal of 12120201021112 is 21112010202121.

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, 7308678 + ... + 8812330.

It is an arithmetic number, because the mean of its divisors is an integer number (712450060875).

Almost surely, 2^{12120201021112} is an apocalyptic number.

It is an amenable number.

12120201021112 is a deficient number, since it is larger than the sum of its proper divisors (10678200926888).

12120201021112 is a wasteful number, since it uses less digits than its factorization.

12120201021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506895 (or 1506891 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12120201021112 its reverse (21112010202121), we get a palindrome (33232211223233).

The spelling of 12120201021112 in words is "twelve trillion, one hundred twenty billion, two hundred one million, twenty-one thousand, one hundred twelve".