212100441429973 has 4 divisors (see below), whose sum is σ = 212100509288800. Its totient is φ = 212100373571148.

The previous prime is 212100441429953. The next prime is 212100441429983. The reversal of 212100441429973 is 379924144001212.

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 a de Polignac number, because none of the positive numbers 2^k-212100441429973 is a prime.

It is a super-3 number, since 3×212100441429973³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100441429913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29002515 + ... + 35571712.

It is an arithmetic number, because the mean of its divisors is an integer number (53025127322200).

Almost surely, 2^{212100441429973} is an apocalyptic number.

It is an amenable number.

212100441429973 is a deficient number, since it is larger than the sum of its proper divisors (67858827).

212100441429973 is an equidigital number, since it uses as much as digits as its factorization.

212100441429973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67858826.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 212100441429973 in words is "two hundred twelve trillion, one hundred billion, four hundred forty-one million, four hundred twenty-nine thousand, nine hundred seventy-three".