1243010033412 has 192 divisors, whose sum is σ = 3493262868480. Its totient is φ = 336538828800.

The previous prime is 1243010033411. The next prime is 1243010033423. The reversal of 1243010033412 is 2143300103421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1243010033411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39468712 + ... + 39500192.

It is an arithmetic number, because the mean of its divisors is an integer number (18194077440).

Almost surely, 2^{1243010033412} is an apocalyptic number.

1243010033412 is a gapful number since it is divisible by the number (12) 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 1243010033412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746631434240).

1243010033412 is an abundant number, since it is smaller than the sum of its proper divisors (2250252835068).

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

1243010033412 is a wasteful number, since it uses less digits than its factorization.

1243010033412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31842 (or 31840 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1243010033412 its reverse (2143300103421), we get a palindrome (3386310136833).

The spelling of 1243010033412 in words is "one trillion, two hundred forty-three billion, ten million, thirty-three thousand, four hundred twelve".