12021010124 has 12 divisors (see below), whose sum is σ = 21060598104. Its totient is φ = 6003696384.

The previous prime is 12021010103. The next prime is 12021010163. The reversal of 12021010124 is 42101012021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12021010099 and 12021010108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698197 + ... + 1705260.

It is an arithmetic number, because the mean of its divisors is an integer number (1755049842).

Almost surely, 2^12021010124 is an apocalyptic number.

It is an amenable number.

12021010124 is a deficient number, since it is larger than the sum of its proper divisors (9039587980).

12021010124 is a wasteful number, since it uses less digits than its factorization.

12021010124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404344 (or 3404342 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021010124 its reverse (42101012021), we get a palindrome (54122022145).

The spelling of 12021010124 in words is "twelve billion, twenty-one million, ten thousand, one hundred twenty-four".