12012212210012 has 48 divisors (see below), whose sum is σ = 26258194464768. Its totient is φ = 4688963285760.

The previous prime is 12012212210003. The next prime is 12012212210083. The reversal of 12012212210012 is 21001221221021.

It is a super-2 number, since 2×12012212210012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407013308 + ... + 407042819.

It is an arithmetic number, because the mean of its divisors is an integer number (547045718016).

Almost surely, 2^{12012212210012} is an apocalyptic number.

It is an amenable number.

12012212210012 is an abundant number, since it is smaller than the sum of its proper divisors (14245982254756).

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

12012212210012 is a wasteful number, since it uses less digits than its factorization.

12012212210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814056186 (or 814056184 counting only the distinct ones).

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

Adding to 12012212210012 its reverse (21001221221021), we get a palindrome (33013433431033).

The spelling of 12012212210012 in words is "twelve trillion, twelve billion, two hundred twelve million, two hundred ten thousand, twelve".