1000223211012 has 48 divisors (see below), whose sum is σ = 2347887265920. Its totient is φ = 331405867008.

The previous prime is 1000223210971. The next prime is 1000223211019. The reversal of 1000223211012 is 2101123220001.

It is a junction number, because it is equal to n+sod(n) for n = 1000223210982 and 1000223211000.

It is not an unprimeable number, because it can be changed into a prime (1000223211019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2631289 + ... + 2987327.

It is an arithmetic number, because the mean of its divisors is an integer number (48914318040).

Almost surely, 2^{1000223211012} is an apocalyptic number.

1000223211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000223211012 is an abundant number, since it is smaller than the sum of its proper divisors (1347664054908).

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

1000223211012 is a wasteful number, since it uses less digits than its factorization.

1000223211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357452 (or 357450 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1000223211012 its reverse (2101123220001), we get a palindrome (3101346431013).

The spelling of 1000223211012 in words is "one trillion, two hundred twenty-three million, two hundred eleven thousand, twelve".