1243100012402 has 8 divisors (see below), whose sum is σ = 1908013972656. Its totient is φ = 607095354852.

The previous prime is 1243100012387. The next prime is 1243100012491. The reversal of 1243100012402 is 2042100013421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7227325568 + ... + 7227325739.

It is an arithmetic number, because the mean of its divisors is an integer number (238501746582).

Almost surely, 2^{1243100012402} is an apocalyptic number.

1243100012402 is a deficient number, since it is larger than the sum of its proper divisors (664913960254).

1243100012402 is a wasteful number, since it uses less digits than its factorization.

1243100012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454651352.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1243100012402 its reverse (2042100013421), we get a palindrome (3285200025823).

The spelling of 1243100012402 in words is "one trillion, two hundred forty-three billion, one hundred million, twelve thousand, four hundred two".