201012012000021 has 8 divisors (see below), whose sum is σ = 268028919458784. Its totient is φ = 134001556270640.

The previous prime is 201012011999969. The next prime is 201012012000043. The reversal of 201012012000021 is 120000210210102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201012012000021 - 2¹⁴ = 201012011983637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012011999970 and 201012012000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012012000521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1612859646 + ... + 1612984271.

It is an arithmetic number, because the mean of its divisors is an integer number (33503614932348).

Almost surely, 2^{201012012000021} is an apocalyptic number.

It is an amenable number.

201012012000021 is a deficient number, since it is larger than the sum of its proper divisors (67016907458763).

201012012000021 is a wasteful number, since it uses less digits than its factorization.

201012012000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225864691.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201012012000021 its reverse (120000210210102), we get a palindrome (321012222210123).

The spelling of 201012012000021 in words is "two hundred one trillion, twelve billion, twelve million, twenty-one", and thus it is an aban number.