1021001300012 has 12 divisors (see below), whose sum is σ = 1830331599096. Its totient is φ = 498049414560.

The previous prime is 1021001300009. The next prime is 1021001300093. The reversal of 1021001300012 is 2100031001201.

It is a super-3 number, since 3×1021001300012³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021001299966 and 1021001300002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112808678 + ... + 3112809005.

It is an arithmetic number, because the mean of its divisors is an integer number (152527633258).

Almost surely, 2^{1021001300012} is an apocalyptic number.

It is an amenable number.

1021001300012 is a deficient number, since it is larger than the sum of its proper divisors (809330299084).

1021001300012 is a wasteful number, since it uses less digits than its factorization.

1021001300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225617728 (or 6225617726 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1021001300012 its reverse (2100031001201), we get a palindrome (3121032301213).

The spelling of 1021001300012 in words is "one trillion, twenty-one billion, one million, three hundred thousand, twelve".