212223231122330 has 16 divisors (see below), whose sum is σ = 382954439010024. Its totient is φ = 84677598451200.

The previous prime is 212223231122323. The next prime is 212223231122341. The reversal of 212223231122330 is 33221132322212.

It can be written as a sum of positive squares in 4 ways, for example, as 197835449029201 + 14387782093129 = 14065399^2 + 3793123^2 .

It is a super-2 number, since 2×212223231122330² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212223231122293 and 212223231122302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26461745507 + ... + 26461753526.

Almost surely, 2^{212223231122330} is an apocalyptic number.

212223231122330 is a deficient number, since it is larger than the sum of its proper divisors (170731207887694).

212223231122330 is a wasteful number, since it uses less digits than its factorization.

212223231122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52923499441.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 212223231122330 its reverse (33221132322212), we get a palindrome (245444363444542).

The spelling of 212223231122330 in words is "two hundred twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, three hundred thirty".