1001021002012 has 12 divisors (see below), whose sum is σ = 1799132341720. Its totient is φ = 486983190096.

The previous prime is 1001021001989. The next prime is 1001021002013. The reversal of 1001021002012 is 2102001201001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001021002012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001021002013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3381827562 + ... + 3381827857.

Almost surely, 2^{1001021002012} is an apocalyptic number.

It is an amenable number.

1001021002012 is a deficient number, since it is larger than the sum of its proper divisors (798111339708).

1001021002012 is a wasteful number, since it uses less digits than its factorization.

1001021002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763655460 (or 6763655458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001021002012 its reverse (2102001201001), we get a palindrome (3103022203013).

The spelling of 1001021002012 in words is "one trillion, one billion, twenty-one million, two thousand, twelve".