12230212312222 has 4 divisors (see below), whose sum is σ = 18345318468336. Its totient is φ = 6115106156110.

The previous prime is 12230212312211. The next prime is 12230212312249. The reversal of 12230212312222 is 22221321203221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12230212312222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057553078054 + ... + 3057553078057.

It is an arithmetic number, because the mean of its divisors is an integer number (4586329617084).

Almost surely, 2^{12230212312222} is an apocalyptic number.

12230212312222 is a deficient number, since it is larger than the sum of its proper divisors (6115106156114).

12230212312222 is an equidigital number, since it uses as much as digits as its factorization.

12230212312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115106156113.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12230212312222 its reverse (22221321203221), we get a palindrome (34451533515443).

The spelling of 12230212312222 in words is "twelve trillion, two hundred thirty billion, two hundred twelve million, three hundred twelve thousand, two hundred twenty-two".