12212001012212 has 24 divisors (see below), whose sum is σ = 21489651499680. Its totient is φ = 6072102398880.

The previous prime is 12212001012203. The next prime is 12212001012217. The reversal of 12212001012212 is 21221010021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212001012217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29381339 + ... + 29794077.

It is an arithmetic number, because the mean of its divisors is an integer number (895402145820).

Almost surely, 2^{12212001012212} is an apocalyptic number.

It is an amenable number.

12212001012212 is a deficient number, since it is larger than the sum of its proper divisors (9277650487468).

12212001012212 is a wasteful number, since it uses less digits than its factorization.

12212001012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453791 (or 453789 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212001012212 its reverse (21221010021221), we get a palindrome (33433011033433).

Subtracting 12212001012212 from its reverse (21221010021221), we obtain a palindrome (9009009009009).

The spelling of 12212001012212 in words is "twelve trillion, two hundred twelve billion, one million, twelve thousand, two hundred twelve".