2000120012001 has 32 divisors (see below), whose sum is σ = 3137538499200. Its totient is φ = 1254939125760.

The previous prime is 2000120011999. The next prime is 2000120012087. The reversal of 2000120012001 is 1002100210002.

It is not a de Polignac number, because 2000120012001 - 2¹ = 2000120011999 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000120012201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28005105 + ... + 28076433.

It is an arithmetic number, because the mean of its divisors is an integer number (98048078100).

Almost surely, 2^{2000120012001} is an apocalyptic number.

It is an amenable number.

2000120012001 is a deficient number, since it is larger than the sum of its proper divisors (1137418487199).

2000120012001 is a wasteful number, since it uses less digits than its factorization.

2000120012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132446 (or 132440 counting only the distinct ones).

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

Adding to 2000120012001 its reverse (1002100210002), we get a palindrome (3002220222003).

The spelling of 2000120012001 in words is "two trillion, one hundred twenty million, twelve thousand, one".