2012012202021 has 32 divisors (see below), whose sum is σ = 2725727217408. Its totient is φ = 1320022179840.

The previous prime is 2012012201909. The next prime is 2012012202023. The reversal of 2012012202021 is 1202022102102.

It is not a de Polignac number, because 2012012202021 - 2⁹ = 2012012201509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27058125 + ... + 27132381.

It is an arithmetic number, because the mean of its divisors is an integer number (85178975544).

Almost surely, 2^{2012012202021} is an apocalyptic number.

It is an amenable number.

2012012202021 is a deficient number, since it is larger than the sum of its proper divisors (713715015387).

2012012202021 is a wasteful number, since it uses less digits than its factorization.

2012012202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74941.

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

Adding to 2012012202021 its reverse (1202022102102), we get a palindrome (3214034304123).

The spelling of 2012012202021 in words is "two trillion, twelve billion, twelve million, two hundred two thousand, twenty-one".