2012202021021 has 8 divisors (see below), whose sum is σ = 2683795680384. Its totient is φ = 1341038187840.

The previous prime is 2012202020989. The next prime is 2012202021143. The reversal of 2012202021021 is 1201202022102.

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

It is not a de Polignac number, because 2012202021021 - 2⁵ = 2012202020989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012202041021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107445621 + ... + 107464346.

It is an arithmetic number, because the mean of its divisors is an integer number (335474460048).

Almost surely, 2^{2012202021021} is an apocalyptic number.

It is an amenable number.

2012202021021 is a deficient number, since it is larger than the sum of its proper divisors (671593659363).

2012202021021 is a wasteful number, since it uses less digits than its factorization.

2012202021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214913091.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2012202021021 its reverse (1201202022102), we get a palindrome (3213404043123).

The spelling of 2012202021021 in words is "two trillion, twelve billion, two hundred two million, twenty-one thousand, twenty-one".