1002201001012 has 6 divisors (see below), whose sum is σ = 1753851751778. Its totient is φ = 501100500504.

The previous prime is 1002201001007. The next prime is 1002201001069. The reversal of 1002201001012 is 2101001022001.

It can be written as a sum of positive squares in only one way, i.e., 1000652106276 + 1548894736 = 1000326^2 + 39356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1002201001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125275125123 + ... + 125275125130.

Almost surely, 2^{1002201001012} is an apocalyptic number.

It is an amenable number.

1002201001012 is a deficient number, since it is larger than the sum of its proper divisors (751650750766).

1002201001012 is a wasteful number, since it uses less digits than its factorization.

1002201001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250550250257 (or 250550250255 counting only the distinct ones).

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

Adding to 1002201001012 its reverse (2101001022001), we get a palindrome (3103202023013).

The spelling of 1002201001012 in words is "one trillion, two billion, two hundred one million, one thousand, twelve".