212133103023255 has 32 divisors (see below), whose sum is σ = 352489965636864. Its totient is φ = 108857195225856.

The previous prime is 212133103023253. The next prime is 212133103023313. The reversal of 212133103023255 is 552320301331212.

It is not a de Polignac number, because 212133103023255 - 2¹ = 212133103023253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133103023253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2454348814 + ... + 2454435243.

It is an arithmetic number, because the mean of its divisors is an integer number (11015311426152).

Almost surely, 2^{212133103023255} is an apocalyptic number.

212133103023255 is a deficient number, since it is larger than the sum of its proper divisors (140356862613609).

212133103023255 is a wasteful number, since it uses less digits than its factorization.

212133103023255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908784175.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 212133103023255 its reverse (552320301331212), we get a palindrome (764453404354467).

The spelling of 212133103023255 in words is "two hundred twelve trillion, one hundred thirty-three billion, one hundred three million, twenty-three thousand, two hundred fifty-five".