1243102032012 has 24 divisors (see below), whose sum is σ = 2906863332912. Its totient is φ = 413468497600.

The previous prime is 1243102031993. The next prime is 1243102032071. The reversal of 1243102032012 is 2102302013421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243102032012.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112350039 + ... + 112361102.

It is an arithmetic number, because the mean of its divisors is an integer number (121119305538).

Almost surely, 2^{1243102032012} is an apocalyptic number.

1243102032012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243102032012 is an abundant number, since it is smaller than the sum of its proper divisors (1663761300900).

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

1243102032012 is a wasteful number, since it uses less digits than its factorization.

1243102032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224711609 (or 224711607 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1243102032012 its reverse (2102302013421), we get a palindrome (3345404045433).

The spelling of 1243102032012 in words is "one trillion, two hundred forty-three billion, one hundred two million, thirty-two thousand, twelve".