1212233000000 has 392 divisors, whose sum is σ = 3302989596192. Its totient is φ = 437760000000.

The previous prime is 1212232999997. The next prime is 1212233000003. The reversal of 1212233000000 is 3322121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1212232999997) and next prime (1212233000003).

It is not an unprimeable number, because it can be changed into a prime (1212233000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2122999715 + ... + 2123000285.

Almost surely, 2^{1212233000000} is an apocalyptic number.

1212233000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212233000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651494798096).

1212233000000 is an abundant number, since it is smaller than the sum of its proper divisors (2090756596192).

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

1212233000000 is an frugal number, since it uses more digits than its factorization.

1212233000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1212233000000 its reverse (3322121), we get a palindrome (1212236322121).

The spelling of 1212233000000 in words is "one trillion, two hundred twelve billion, two hundred thirty-three million", and thus it is an aban number.