1243002103300 has 18 divisors (see below), whose sum is σ = 2697314564378. Its totient is φ = 497200841280.

The previous prime is 1243002103279. The next prime is 1243002103331. The reversal of 1243002103300 is 33012003421.

It can be written as a sum of positive squares in 3 ways, for example, as 7031828736 + 1235970274564 = 83856^2 + 1111742^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6215010417 + ... + 6215010616.

Almost surely, 2^{1243002103300} is an apocalyptic number.

1243002103300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243002103300 is an abundant number, since it is smaller than the sum of its proper divisors (1454312461078).

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

1243002103300 is a wasteful number, since it uses less digits than its factorization.

1243002103300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430021047 (or 12430021040 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1243002103300 its reverse (33012003421), we get a palindrome (1276014106721).

The spelling of 1243002103300 in words is "one trillion, two hundred forty-three billion, two million, one hundred three thousand, three hundred".