1233213412412 has 72 divisors (see below), whose sum is σ = 2421626263056. Its totient is φ = 547292261376.

The previous prime is 1233213412397. The next prime is 1233213412447. The reversal of 1233213412412 is 2142143123321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2208338 + ... + 2709830.

It is an arithmetic number, because the mean of its divisors is an integer number (33633698098).

Almost surely, 2^{1233213412412} is an apocalyptic number.

It is an amenable number.

1233213412412 is a deficient number, since it is larger than the sum of its proper divisors (1188412850644).

1233213412412 is a wasteful number, since it uses less digits than its factorization.

1233213412412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501615 (or 501584 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 1233213412412 its reverse (2142143123321), we get a palindrome (3375356535733).

The spelling of 1233213412412 in words is "one trillion, two hundred thirty-three billion, two hundred thirteen million, four hundred twelve thousand, four hundred twelve".