12142020312 has 32 divisors (see below), whose sum is σ = 33727834800. Its totient is φ = 4047340032.

The previous prime is 12142020301. The next prime is 12142020343. The reversal of 12142020312 is 21302024121.

It is a happy number.

12142020312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28106313 + ... + 28106744.

Almost surely, 2^12142020312 is an apocalyptic number.

12142020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12142020312 is an abundant number, since it is smaller than the sum of its proper divisors (21585814488).

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

12142020312 is a wasteful number, since it uses less digits than its factorization.

12142020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56213072 (or 56213062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12142020312 its reverse (21302024121), we get a palindrome (33444044433).

The spelling of 12142020312 in words is "twelve billion, one hundred forty-two million, twenty thousand, three hundred twelve".