1001002222012 has 48 divisors (see below), whose sum is σ = 1917648450144. Its totient is φ = 454375584000.

The previous prime is 1001002222007. The next prime is 1001002222013. The reversal of 1001002222012 is 2102222001001.

It is a happy number.

It is a super-2 number, since 2×1001002222012² (a number of 25 digits) contains 22 as substring.

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 = 1001002221983 and 1001002222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002222013) 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 in 15 ways as a sum of consecutive naturals, for example, 49032087 + ... + 49052497.

It is an arithmetic number, because the mean of its divisors is an integer number (39951009378).

Almost surely, 2^{1001002222012} is an apocalyptic number.

It is an amenable number.

1001002222012 is a deficient number, since it is larger than the sum of its proper divisors (916646228132).

1001002222012 is a wasteful number, since it uses less digits than its factorization.

1001002222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35950 (or 35948 counting only the distinct ones).

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

Adding to 1001002222012 its reverse (2102222001001), we get a palindrome (3103224223013).

The spelling of 1001002222012 in words is "one trillion, one billion, two million, two hundred twenty-two thousand, twelve".