2012020122021 has 48 divisors (see below), whose sum is σ = 3320524517760. Its totient is φ = 1061091532800.

The previous prime is 2012020122019. The next prime is 2012020122023. The reversal of 2012020122021 is 1202210202102.

It is an interprime number because it is at equal distance from previous prime (2012020122019) and next prime (2012020122023).

It is not a de Polignac number, because 2012020122021 - 2¹ = 2012020122019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020122023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20538885 + ... + 20636613.

It is an arithmetic number, because the mean of its divisors is an integer number (69177594120).

Almost surely, 2^{2012020122021} is an apocalyptic number.

2012020122021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2012020122021 is a deficient number, since it is larger than the sum of its proper divisors (1308504395739).

2012020122021 is a wasteful number, since it uses less digits than its factorization.

2012020122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103566 (or 103553 counting only the distinct ones).

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

Adding to 2012020122021 its reverse (1202210202102), we get a palindrome (3214230324123).

The spelling of 2012020122021 in words is "two trillion, twelve billion, twenty million, one hundred twenty-two thousand, twenty-one".