1001010001012 has 48 divisors (see below), whose sum is σ = 2119962015360. Its totient is φ = 403735191552.

The previous prime is 1001010001001. The next prime is 1001010001049. The reversal of 1001010001012 is 2101000101001.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 1001010000986 and 1001010001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6108564 + ... + 6270292.

It is an arithmetic number, because the mean of its divisors is an integer number (44165875320).

Almost surely, 2^{1001010001012} is an apocalyptic number.

It is an amenable number.

1001010001012 is an abundant number, since it is smaller than the sum of its proper divisors (1118952014348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001010001012 is a wasteful number, since it uses less digits than its factorization.

1001010001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174760 (or 174758 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1001010001012 its reverse (2101000101001), we get a palindrome (3102010102013).

The spelling of 1001010001012 in words is "one trillion, one billion, ten million, one thousand, twelve".