12021010112 has 14 divisors (see below), whose sum is σ = 23854192068. Its totient is φ = 6010505024.

The previous prime is 12021010103. The next prime is 12021010163. The reversal of 12021010112 is 21101012021.

It is a super-2 number, since 2×12021010112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12021010093 and 12021010102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93914078 + ... + 93914205.

It is an arithmetic number, because the mean of its divisors is an integer number (1703870862).

Almost surely, 2^12021010112 is an apocalyptic number.

It is an amenable number.

12021010112 is a deficient number, since it is larger than the sum of its proper divisors (11833181956).

12021010112 is an equidigital number, since it uses as much as digits as its factorization.

12021010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187828295 (or 187828285 counting only the distinct ones).

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

Adding to 12021010112 its reverse (21101012021), we get a palindrome (33122022133).

The spelling of 12021010112 in words is "twelve billion, twenty-one million, ten thousand, one hundred twelve".