1312000321202 has 8 divisors (see below), whose sum is σ = 1968005345436. Its totient is φ = 655998539392.

The previous prime is 1312000321201. The next prime is 1312000321213. The reversal of 1312000321202 is 2021230002131.

It can be written as a sum of positive squares in 2 ways, for example, as 1158531475201 + 153468846001 = 1076351^2 + 391751^2 .

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 (1312000321201) 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, 1133738 + ... + 1977210.

Almost surely, 2^{1312000321202} is an apocalyptic number.

1312000321202 is a deficient number, since it is larger than the sum of its proper divisors (656005024234).

1312000321202 is an equidigital number, since it uses as much as digits as its factorization.

1312000321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621212.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1312000321202 its reverse (2021230002131), we get a palindrome (3333230323333).

The spelling of 1312000321202 in words is "one trillion, three hundred twelve billion, three hundred twenty-one thousand, two hundred two".