4512020101 has 4 divisors (see below), whose sum is σ = 4708194912. Its totient is φ = 4315845292.

The previous prime is 4512020077. The next prime is 4512020131. The reversal of 4512020101 is 1010202154.

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 a cyclic number.

It is not a de Polignac number, because 4512020101 - 2²³ = 4503631493 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 (4512020131) 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 3 ways as a sum of consecutive naturals, for example, 98087371 + ... + 98087416.

It is an arithmetic number, because the mean of its divisors is an integer number (1177048728).

Almost surely, 2^4512020101 is an apocalyptic number.

It is an amenable number.

4512020101 is a deficient number, since it is larger than the sum of its proper divisors (196174811).

4512020101 is a wasteful number, since it uses less digits than its factorization.

4512020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196174810.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 4512020101 is about 67171.5721194614. The cubic root of 4512020101 is about 1652.4322989926.

Adding to 4512020101 its reverse (1010202154), we get a palindrome (5522222255).

The spelling of 4512020101 in words is "four billion, five hundred twelve million, twenty thousand, one hundred one".