12010121412 has 48 divisors (see below), whose sum is σ = 28792095360. Its totient is φ = 3893674752.

The previous prime is 12010121377. The next prime is 12010121429. The reversal of 12010121412 is 21412101021.

It is a junction number, because it is equal to n+sod(n) for n = 12010121391 and 12010121400.

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 15 ways as a sum of consecutive naturals, for example, 2189289 + ... + 2194767.

It is an arithmetic number, because the mean of its divisors is an integer number (599835320).

Almost surely, 2^12010121412 is an apocalyptic number.

12010121412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12010121412 is an abundant number, since it is smaller than the sum of its proper divisors (16781973948).

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

12010121412 is a wasteful number, since it uses less digits than its factorization.

12010121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10460 (or 10458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12010121412 its reverse (21412101021), we get a palindrome (33422222433).

The spelling of 12010121412 in words is "twelve billion, ten million, one hundred twenty-one thousand, four hundred twelve".