1222332001412 has 12 divisors (see below), whose sum is σ = 2264909296860. Its totient is φ = 575215059456.

The previous prime is 1222332001367. The next prime is 1222332001417. The reversal of 1222332001412 is 2141002332221.

It can be written as a sum of positive squares in 2 ways, for example, as 946293146176 + 276038855236 = 972776^2 + 525394^2 .

It is not an unprimeable number, because it can be changed into a prime (1222332001417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8987735237 + ... + 8987735372.

It is an arithmetic number, because the mean of its divisors is an integer number (188742441405).

Almost surely, 2^{1222332001412} is an apocalyptic number.

It is an amenable number.

1222332001412 is a deficient number, since it is larger than the sum of its proper divisors (1042577295448).

1222332001412 is a wasteful number, since it uses less digits than its factorization.

1222332001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17975470630 (or 17975470628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1222332001412 its reverse (2141002332221), we get a palindrome (3363334333633).

The spelling of 1222332001412 in words is "one trillion, two hundred twenty-two billion, three hundred thirty-two million, one thousand, four hundred twelve".