212212321320130 has 16 divisors (see below), whose sum is σ = 381984177413304. Its totient is φ = 84884484297600.

The previous prime is 212212321320073. The next prime is 212212321320133. The reversal of 212212321320130 is 31023123212212.

It can be written as a sum of positive squares in 4 ways, for example, as 146529838712401 + 65682482607729 = 12104951^2 + 8104473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212212321320095 and 212212321320104.

It is not an unprimeable number, because it can be changed into a prime (212212321320133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53518971 + ... + 57347230.

Almost surely, 2^{212212321320130} is an apocalyptic number.

212212321320130 is a deficient number, since it is larger than the sum of its proper divisors (169771856093174).

212212321320130 is a wasteful number, since it uses less digits than its factorization.

212212321320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111057621.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212212321320130 its reverse (31023123212212), we get a palindrome (243235444532342).

The spelling of 212212321320130 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred twenty-one million, three hundred twenty thousand, one hundred thirty".