1312125213203 has 8 divisors (see below), whose sum is σ = 1551281040480. Its totient is φ = 1085896728000.

The previous prime is 1312125213137. The next prime is 1312125213251. The reversal of 1312125213203 is 3023125212131.

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

It is not a de Polignac number, because 1312125213203 - 2¹² = 1312125209107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312125213253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231835298 + ... + 3231835703.

It is an arithmetic number, because the mean of its divisors is an integer number (193910130060).

Almost surely, 2^{1312125213203} is an apocalyptic number.

1312125213203 is a deficient number, since it is larger than the sum of its proper divisors (239155827277).

1312125213203 is an equidigital number, since it uses as much as digits as its factorization.

1312125213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463671037.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 1312125213203 in words is "one trillion, three hundred twelve billion, one hundred twenty-five million, two hundred thirteen thousand, two hundred three".