12212010001012 has 12 divisors (see below), whose sum is σ = 21371042141316. Its totient is φ = 6105997960640.

The previous prime is 12212010001003. The next prime is 12212010001027. The reversal of 12212010001012 is 21010001021221.

It can be written as a sum of positive squares in 2 ways, for example, as 491014124176 + 11720995876836 = 700724^2 + 3423594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12212010000983 and 12212010001001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5210808 + ... + 7181680.

It is an arithmetic number, because the mean of its divisors is an integer number (1780920178443).

Almost surely, 2^{12212010001012} is an apocalyptic number.

It is an amenable number.

12212010001012 is a deficient number, since it is larger than the sum of its proper divisors (9159032140304).

12212010001012 is a wasteful number, since it uses less digits than its factorization.

12212010001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519938 (or 3519936 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12212010001012 its reverse (21010001021221), we get a palindrome (33222011022233).

The spelling of 12212010001012 in words is "twelve trillion, two hundred twelve billion, ten million, one thousand, twelve".