212223213130 has 32 divisors (see below), whose sum is σ = 392007062160. Its totient is φ = 82673172480.

The previous prime is 212223213113. The next prime is 212223213133. The reversal of 212223213130 is 31312322212.

It can be written as a sum of positive squares in 8 ways, for example, as 34183942321 + 178039270809 = 184889^2 + 421947^2 .

It is not an unprimeable number, because it can be changed into a prime (212223213133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221559 + ... + 688138.

Almost surely, 2^212223213130 is an apocalyptic number.

212223213130 is a deficient number, since it is larger than the sum of its proper divisors (179783849030).

212223213130 is a wasteful number, since it uses less digits than its factorization.

212223213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910314.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212223213130 its reverse (31312322212), we get a palindrome (243535535342).

The spelling of 212223213130 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred thirteen thousand, one hundred thirty".