1286201413402 has 4 divisors (see below), whose sum is σ = 1929302120106. Its totient is φ = 643100706700.

The previous prime is 1286201413379. The next prime is 1286201413451. The reversal of 1286201413402 is 2043141026821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 702262436121 + 583938977281 = 838011^2 + 764159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321550353349 + ... + 321550353352.

Almost surely, 2^{1286201413402} is an apocalyptic number.

1286201413402 is a deficient number, since it is larger than the sum of its proper divisors (643100706704).

1286201413402 is an equidigital number, since it uses as much as digits as its factorization.

1286201413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643100706703.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 1286201413402 in words is "one trillion, two hundred eighty-six billion, two hundred one million, four hundred thirteen thousand, four hundred two".