212252162255 has 16 divisors (see below), whose sum is σ = 291274043904. Its totient is φ = 145451657760.

The previous prime is 212252162251. The next prime is 212252162267. The reversal of 212252162255 is 552261252212.

It is not a de Polignac number, because 212252162255 - 2² = 212252162251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212252162251) 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 15 ways as a sum of consecutive naturals, for example, 1875107 + ... + 1985076.

It is an arithmetic number, because the mean of its divisors is an integer number (18204627744).

Almost surely, 2^212252162255 is an apocalyptic number.

212252162255 is a deficient number, since it is larger than the sum of its proper divisors (79021881649).

212252162255 is a wasteful number, since it uses less digits than its factorization.

212252162255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861766.

The product of its digits is 48000, while the sum is 35.

The spelling of 212252162255 in words is "two hundred twelve billion, two hundred fifty-two million, one hundred sixty-two thousand, two hundred fifty-five".