1233221244012 has 72 divisors (see below), whose sum is σ = 3228019546752. Its totient is φ = 396558259200.

The previous prime is 1233221243977. The next prime is 1233221244037. The reversal of 1233221244012 is 2104421223321.

1233221244012 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 2 + 212 + 440 + 1 + 2 = 666.

It is a super-2 number, since 2×1233221244012² (a number of 25 digits) contains 22 as substring.

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, 1389189 + ... + 2096732.

It is an arithmetic number, because the mean of its divisors is an integer number (44833604816).

Almost surely, 2^{1233221244012} is an apocalyptic number.

1233221244012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1233221244012 is an abundant number, since it is smaller than the sum of its proper divisors (1994798302740).

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

1233221244012 is a wasteful number, since it uses less digits than its factorization.

1233221244012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486279 (or 3486274 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1233221244012 its reverse (2104421223321), we get a palindrome (3337642467333).

The spelling of 1233221244012 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-one million, two hundred forty-four thousand, twelve".