12212001831752 has 64 divisors (see below), whose sum is σ = 23381925315840. Its totient is φ = 5978043720000.

The previous prime is 12212001831737. The next prime is 12212001831769. The reversal of 12212001831752 is 25713810021221.

It is a happy number.

12212001831752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62731127 + ... + 62925497.

It is an arithmetic number, because the mean of its divisors is an integer number (365342583060).

Almost surely, 2^{12212001831752} is an apocalyptic number.

It is an amenable number.

12212001831752 is a deficient number, since it is larger than the sum of its proper divisors (11169923484088).

12212001831752 is a wasteful number, since it uses less digits than its factorization.

12212001831752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195162 (or 195158 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

Adding to 12212001831752 its reverse (25713810021221), we get a palindrome (37925811852973).

The spelling of 12212001831752 in words is "twelve trillion, two hundred twelve billion, one million, eight hundred thirty-one thousand, seven hundred fifty-two".