212551533055 has 8 divisors (see below), whose sum is σ = 255549532752. Its totient is φ = 169716097728.

The previous prime is 212551533043. The next prime is 212551533083. The reversal of 212551533055 is 550335155212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212551533055 - 2¹¹ = 212551531007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40638214 + ... + 40643443.

It is an arithmetic number, because the mean of its divisors is an integer number (31943691594).

Almost surely, 2^212551533055 is an apocalyptic number.

212551533055 is a deficient number, since it is larger than the sum of its proper divisors (42997999697).

212551533055 is an equidigital number, since it uses as much as digits as its factorization.

212551533055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81282185.

The product of its (nonzero) digits is 112500, while the sum is 37.

Adding to 212551533055 its reverse (550335155212), we get a palindrome (762886688267).

The spelling of 212551533055 in words is "two hundred twelve billion, five hundred fifty-one million, five hundred thirty-three thousand, fifty-five".