12231213404 has 6 divisors (see below), whose sum is σ = 21404623464. Its totient is φ = 6115606700.

The previous prime is 12231213377. The next prime is 12231213427. The reversal of 12231213404 is 40431213221.

It is a self number, because there is not a number n which added to its sum of digits gives 12231213404.

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, 1528901672 + ... + 1528901679.

It is an arithmetic number, because the mean of its divisors is an integer number (3567437244).

Almost surely, 2^12231213404 is an apocalyptic number.

It is an amenable number.

12231213404 is a deficient number, since it is larger than the sum of its proper divisors (9173410060).

12231213404 is a wasteful number, since it uses less digits than its factorization.

12231213404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057803355 (or 3057803353 counting only the distinct ones).

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

Adding to 12231213404 its reverse (40431213221), we get a palindrome (52662426625).

The spelling of 12231213404 in words is "twelve billion, two hundred thirty-one million, two hundred thirteen thousand, four hundred four".