212028272143 has 4 divisors (see below), whose sum is σ = 212453179000. Its totient is φ = 211603365288.

The previous prime is 212028272101. The next prime is 212028272147. The reversal of 212028272143 is 341272820212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212028272143 - 2²¹ = 212026174991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212028272099 and 212028272108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212028272147) 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, 212452680 + ... + 212453677.

It is an arithmetic number, because the mean of its divisors is an integer number (53113294750).

Almost surely, 2^212028272143 is an apocalyptic number.

212028272143 is a deficient number, since it is larger than the sum of its proper divisors (424906857).

212028272143 is an equidigital number, since it uses as much as digits as its factorization.

212028272143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424906856.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 212028272143 in words is "two hundred twelve billion, twenty-eight million, two hundred seventy-two thousand, one hundred forty-three".