1000223430312 has 64 divisors (see below), whose sum is σ = 2514039897600. Its totient is φ = 331611365120.

The previous prime is 1000223430263. The next prime is 1000223430319. The reversal of 1000223430312 is 2130343220001.

It is not an unprimeable number, because it can be changed into a prime (1000223430319) 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, 15849862 + ... + 15912842.

It is an arithmetic number, because the mean of its divisors is an integer number (39281873400).

Almost surely, 2^{1000223430312} is an apocalyptic number.

1000223430312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000223430312 is an abundant number, since it is smaller than the sum of its proper divisors (1513816467288).

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

1000223430312 is a wasteful number, since it uses less digits than its factorization.

1000223430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66546 (or 66542 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1000223430312 its reverse (2130343220001), we get a palindrome (3130566650313).

The spelling of 1000223430312 in words is "one trillion, two hundred twenty-three million, four hundred thirty thousand, three hundred twelve".