12213231122 has 16 divisors (see below), whose sum is σ = 19290236640. Its totient is φ = 5783358528.

The previous prime is 12213231101. The next prime is 12213231143. The reversal of 12213231122 is 22113231221.

It is an interprime number because it is at equal distance from previous prime (12213231101) and next prime (12213231143).

It is a junction number, because it is equal to n+sod(n) for n = 12213231094 and 12213231103.

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, 72293 + ... + 172199.

It is an arithmetic number, because the mean of its divisors is an integer number (1205639790).

Almost surely, 2^12213231122 is an apocalyptic number.

12213231122 is a deficient number, since it is larger than the sum of its proper divisors (7077005518).

12213231122 is a wasteful number, since it uses less digits than its factorization.

12213231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103145.

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

Adding to 12213231122 its reverse (22113231221), we get a palindrome (34326462343).

Subtracting 12213231122 from its reverse (22113231221), we obtain a palindrome (9900000099).

The spelling of 12213231122 in words is "twelve billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred twenty-two".