2012212220012 has 6 divisors (see below), whose sum is σ = 3521371385028. Its totient is φ = 1006106110004.

The previous prime is 2012212219991. The next prime is 2012212220017. The reversal of 2012212220012 is 2100222122102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012212220017) by changing a digit.

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 as a sum of consecutive naturals, namely, 251526527498 + ... + 251526527505.

It is an arithmetic number, because the mean of its divisors is an integer number (586895230838).

Almost surely, 2^{2012212220012} is an apocalyptic number.

It is an amenable number.

2012212220012 is a deficient number, since it is larger than the sum of its proper divisors (1509159165016).

2012212220012 is a wasteful number, since it uses less digits than its factorization.

2012212220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503053055007 (or 503053055005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012212220012 its reverse (2100222122102), we get a palindrome (4112434342114).

The spelling of 2012212220012 in words is "two trillion, twelve billion, two hundred twelve million, two hundred twenty thousand, twelve".