2012000343021 has 16 divisors (see below), whose sum is σ = 2988863174400. Its totient is φ = 1337678695584.

The previous prime is 2012000342953. The next prime is 2012000343029. The reversal of 2012000343021 is 1203430002102.

It is not a de Polignac number, because 2012000343021 - 2³¹ = 2009852859373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012000342985 and 2012000343003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012000343029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101513976 + ... + 101533793.

It is an arithmetic number, because the mean of its divisors is an integer number (186803948400).

Almost surely, 2^{2012000343021} is an apocalyptic number.

It is an amenable number.

2012000343021 is a deficient number, since it is larger than the sum of its proper divisors (976862831379).

2012000343021 is a wasteful number, since it uses less digits than its factorization.

2012000343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203048145 (or 203048139 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2012000343021 its reverse (1203430002102), we get a palindrome (3215430345123).

The spelling of 2012000343021 in words is "two trillion, twelve billion, three hundred forty-three thousand, twenty-one".