212027062751 has 4 divisors (see below), whose sum is σ = 242316643152. Its totient is φ = 181737482352.

The previous prime is 212027062727. The next prime is 212027062757. The reversal of 212027062751 is 157260720212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212027062751 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 (212027062757) 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, 15144790190 + ... + 15144790203.

It is an arithmetic number, because the mean of its divisors is an integer number (60579160788).

Almost surely, 2^212027062751 is an apocalyptic number.

212027062751 is a deficient number, since it is larger than the sum of its proper divisors (30289580401).

212027062751 is an equidigital number, since it uses as much as digits as its factorization.

212027062751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30289580400.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 212027062751 its reverse (157260720212), we get a palindrome (369287782963).

The spelling of 212027062751 in words is "two hundred twelve billion, twenty-seven million, sixty-two thousand, seven hundred fifty-one".