1243140231202 has 8 divisors (see below), whose sum is σ = 1864724014800. Its totient is φ = 621565559604.

The previous prime is 1243140231197. The next prime is 1243140231209. The reversal of 1243140231202 is 2021320413421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1243140231209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926052 + ... + 2489167.

It is an arithmetic number, because the mean of its divisors is an integer number (233090501850).

Almost surely, 2^{1243140231202} is an apocalyptic number.

1243140231202 is a deficient number, since it is larger than the sum of its proper divisors (621583783598).

1243140231202 is a wasteful number, since it uses less digits than its factorization.

1243140231202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556000.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1243140231202 its reverse (2021320413421), we get a palindrome (3264460644623).

The spelling of 1243140231202 in words is "one trillion, two hundred forty-three billion, one hundred forty million, two hundred thirty-one thousand, two hundred two".