1003213001992 has 32 divisors (see below), whose sum is σ = 1888431809400. Its totient is φ = 499632537600.

The previous prime is 1003213001963. The next prime is 1003213002083. The reversal of 1003213001992 is 2991003123001.

It can be written as a sum of positive squares in 4 ways, for example, as 906620091556 + 96592910436 = 952166^2 + 310794^2 .

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, 5961892 + ... + 6127852.

Almost surely, 2^{1003213001992} is an apocalyptic number.

It is an amenable number.

1003213001992 is a deficient number, since it is larger than the sum of its proper divisors (885218807408).

1003213001992 is a wasteful number, since it uses less digits than its factorization.

1003213001992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168937 (or 168933 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 31.

Adding to 1003213001992 its reverse (2991003123001), we get a palindrome (3994216124993).

The spelling of 1003213001992 in words is "one trillion, three billion, two hundred thirteen million, one thousand, nine hundred ninety-two".