1223033405412 has 48 divisors (see below), whose sum is σ = 3512301064832. Its totient is φ = 322558260480.

The previous prime is 1223033405393. The next prime is 1223033405423. The reversal of 1223033405412 is 2145043303221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223033405412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559995889 + ... + 559998072.

Almost surely, 2^{1223033405412} is an apocalyptic number.

1223033405412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223033405412 is an abundant number, since it is smaller than the sum of its proper divisors (2289267659420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223033405412 is a wasteful number, since it uses less digits than its factorization.

1223033405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119993988 (or 1119993986 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1223033405412 its reverse (2145043303221), we get a palindrome (3368076708633).

The spelling of 1223033405412 in words is "one trillion, two hundred twenty-three billion, thirty-three million, four hundred five thousand, four hundred twelve".