212012313311230 has 64 divisors (see below), whose sum is σ = 385615567814400. Its totient is φ = 83919303535104.

The previous prime is 212012313311213. The next prime is 212012313311269. The reversal of 212012313311230 is 32113313210212.

It is a super-2 number, since 2×212012313311230² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012313311195 and 212012313311204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4389555621 + ... + 4389603919.

It is an arithmetic number, because the mean of its divisors is an integer number (6025243247100).

Almost surely, 2^{212012313311230} is an apocalyptic number.

212012313311230 is a deficient number, since it is larger than the sum of its proper divisors (173603254503170).

212012313311230 is a wasteful number, since it uses less digits than its factorization.

212012313311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52873.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 212012313311230 its reverse (32113313210212), we get a palindrome (244125626521442).

The spelling of 212012313311230 in words is "two hundred twelve trillion, twelve billion, three hundred thirteen million, three hundred eleven thousand, two hundred thirty".