1243000030412 has 24 divisors (see below), whose sum is σ = 2487556819104. Its totient is φ = 532380707712.

The previous prime is 1243000030403. The next prime is 1243000030417. The reversal of 1243000030412 is 2140300003421.

It is not an unprimeable number, because it can be changed into a prime (1243000030417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13854113 + ... + 13943544.

It is an arithmetic number, because the mean of its divisors is an integer number (103648200796).

Almost surely, 2^{1243000030412} is an apocalyptic number.

It is an amenable number.

1243000030412 is an abundant number, since it is smaller than the sum of its proper divisors (1244556788692).

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

1243000030412 is a wasteful number, since it uses less digits than its factorization.

1243000030412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27799265 (or 27799263 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1243000030412 its reverse (2140300003421), we get a palindrome (3383300033833).

The spelling of 1243000030412 in words is "one trillion, two hundred forty-three billion, thirty thousand, four hundred twelve".