2000012221012 has 24 divisors (see below), whose sum is σ = 3769969139496. Its totient is φ = 922907378688.

The previous prime is 2000012220991. The next prime is 2000012221021. The reversal of 2000012221012 is 2101222100002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 97946465296 + 1902065755716 = 312964^2 + 1379154^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2000012220983 and 2000012221001.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3372853 + ... + 3921244.

It is an arithmetic number, because the mean of its divisors is an integer number (157082047479).

Almost surely, 2^{2000012221012} is an apocalyptic number.

It is an amenable number.

2000012221012 is a deficient number, since it is larger than the sum of its proper divisors (1769956918484).

2000012221012 is a wasteful number, since it uses less digits than its factorization.

2000012221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299387 (or 7299385 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2000012221012 its reverse (2101222100002), we get a palindrome (4101234321014).

The spelling of 2000012221012 in words is "two trillion, twelve million, two hundred twenty-one thousand, twelve".