212122311302 has 16 divisors (see below), whose sum is σ = 354494541312. Its totient is φ = 94367758920.

The previous prime is 212122311257. The next prime is 212122311389. The reversal of 212122311302 is 203113221212.

212122311302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102572618 + ... + 102574685.

It is an arithmetic number, because the mean of its divisors is an integer number (22155908832).

Almost surely, 2^212122311302 is an apocalyptic number.

212122311302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212122311302 is a deficient number, since it is larger than the sum of its proper divisors (142372230010).

212122311302 is a wasteful number, since it uses less digits than its factorization.

212122311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205147363.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212122311302 its reverse (203113221212), we get a palindrome (415235532514).

The spelling of 212122311302 in words is "two hundred twelve billion, one hundred twenty-two million, three hundred eleven thousand, three hundred two".