1000021303012 has 24 divisors (see below), whose sum is σ = 1752945717600. Its totient is φ = 499179837696.

The previous prime is 1000021302961. The next prime is 1000021303037. The reversal of 1000021303012 is 2103031200001.

It is a junction number, because it is equal to n+sod(n) for n = 1000021302983 and 1000021303001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36943539 + ... + 36970597.

It is an arithmetic number, because the mean of its divisors is an integer number (73039404900).

Almost surely, 2^{1000021303012} is an apocalyptic number.

It is an amenable number.

1000021303012 is a deficient number, since it is larger than the sum of its proper divisors (752924414588).

1000021303012 is a wasteful number, since it uses less digits than its factorization.

1000021303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42075 (or 42073 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1000021303012 its reverse (2103031200001), we get a palindrome (3103052503013).

The spelling of 1000021303012 in words is "one trillion, twenty-one million, three hundred three thousand, twelve".