2012001210021 has 8 divisors (see below), whose sum is σ = 2926547214624. Its totient is φ = 1219394672720.

The previous prime is 2012001209989. The next prime is 2012001210029. The reversal of 2012001210021 is 1200121002102.

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 2012001210021 - 2⁵ = 2012001209989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012001209979 and 2012001210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012001210029) 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, 30484866786 + ... + 30484866851.

It is an arithmetic number, because the mean of its divisors is an integer number (365818401828).

Almost surely, 2^{2012001210021} is an apocalyptic number.

It is an amenable number.

2012001210021 is a deficient number, since it is larger than the sum of its proper divisors (914546004603).

2012001210021 is a wasteful number, since it uses less digits than its factorization.

2012001210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60969733651.

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

Adding to 2012001210021 its reverse (1200121002102), we get a palindrome (3212122212123).

The spelling of 2012001210021 in words is "two trillion, twelve billion, one million, two hundred ten thousand, twenty-one".