2001000201012 has 24 divisors (see below), whose sum is σ = 5187778299200. Its totient is φ = 667000066968.

The previous prime is 2001000201001. The next prime is 2001000201023. The reversal of 2001000201012 is 2101020001002.

It is an interprime number because it is at equal distance from previous prime (2001000201001) and next prime (2001000201023).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2001000200985 and 2001000201003.

It is a congruent number.

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, 9263889712 + ... + 9263889927.

Almost surely, 2^{2001000201012} is an apocalyptic number.

It is an amenable number.

2001000201012 is an abundant number, since it is smaller than the sum of its proper divisors (3186778098188).

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

2001000201012 is a wasteful number, since it uses less digits than its factorization.

2001000201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18527779652 (or 18527779644 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2001000201012 its reverse (2101020001002), we get a palindrome (4102020202014).

The spelling of 2001000201012 in words is "two trillion, one billion, two hundred one thousand, twelve".