1210340430243 has 96 divisors (see below), whose sum is σ = 2053116374400. Its totient is φ = 686777978880.

The previous prime is 1210340430239. The next prime is 1210340430263. The reversal of 1210340430243 is 3420340430121.

1210340430243 is a `hidden beast` number, since 1 + 2 + 10 + 3 + 404 + 3 + 0 + 243 = 666.

It is not a de Polignac number, because 1210340430243 - 2² = 1210340430239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210340430263) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 532484755 + ... + 532487027.

It is an arithmetic number, because the mean of its divisors is an integer number (21386628900).

Almost surely, 2^{1210340430243} is an apocalyptic number.

1210340430243 is a deficient number, since it is larger than the sum of its proper divisors (842775944157).

1210340430243 is a wasteful number, since it uses less digits than its factorization.

1210340430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1210340430243 its reverse (3420340430121), we get a palindrome (4630680860364).

The spelling of 1210340430243 in words is "one trillion, two hundred ten billion, three hundred forty million, four hundred thirty thousand, two hundred forty-three".