2012020120101 has 4 divisors (see below), whose sum is σ = 2682693493472. Its totient is φ = 1341346746732.

The previous prime is 2012020120093. The next prime is 2012020120109. The reversal of 2012020120101 is 1010210202102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2012020120093) and next prime (2012020120109).

It is not a de Polignac number, because 2012020120101 - 2³ = 2012020120093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020120109) 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 3 ways as a sum of consecutive naturals, for example, 335336686681 + ... + 335336686686.

It is an arithmetic number, because the mean of its divisors is an integer number (670673373368).

Almost surely, 2^{2012020120101} is an apocalyptic number.

It is an amenable number.

2012020120101 is a deficient number, since it is larger than the sum of its proper divisors (670673373371).

2012020120101 is an equidigital number, since it uses as much as digits as its factorization.

2012020120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670673373370.

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

Adding to 2012020120101 its reverse (1010210202102), we get a palindrome (3022230322203).

The spelling of 2012020120101 in words is "two trillion, twelve billion, twenty million, one hundred twenty thousand, one hundred one".