12302311222 has 16 divisors (see below), whose sum is σ = 19542133872. Its totient is φ = 5788384000.

The previous prime is 12302311201. The next prime is 12302311249. The reversal of 12302311222 is 22211320321.

It is a super-2 number, since 2×12302311222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12302311222.

It is a congruent number.

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, 212193 + ... + 263875.

It is an arithmetic number, because the mean of its divisors is an integer number (1221383367).

Almost surely, 2^12302311222 is an apocalyptic number.

12302311222 is a deficient number, since it is larger than the sum of its proper divisors (7239822650).

12302311222 is a wasteful number, since it uses less digits than its factorization.

12302311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58703.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12302311222 its reverse (22211320321), we get a palindrome (34513631543).

Subtracting 12302311222 from its reverse (22211320321), we obtain a palindrome (9909009099).

The spelling of 12302311222 in words is "twelve billion, three hundred two million, three hundred eleven thousand, two hundred twenty-two".