1302103212123 has 8 divisors (see below), whose sum is σ = 1984157275648. Its totient is φ = 744058978344.

The previous prime is 1302103212083. The next prime is 1302103212169. The reversal of 1302103212123 is 3212123012031.

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

It is not a de Polignac number, because 1302103212123 - 2⁹ = 1302103211611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62004914863 = 1302103212123 / (1 + 3 + 0 + 2 + 1 + 0 + 3 + 2 + 1 + 2 + 1 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302103212123.

It is not an unprimeable number, because it can be changed into a prime (1302103212173) 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, 31002457411 + ... + 31002457452.

It is an arithmetic number, because the mean of its divisors is an integer number (248019659456).

Almost surely, 2^{1302103212123} is an apocalyptic number.

1302103212123 is a deficient number, since it is larger than the sum of its proper divisors (682054063525).

1302103212123 is an equidigital number, since it uses as much as digits as its factorization.

1302103212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62004914873.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1302103212123 its reverse (3212123012031), we get a palindrome (4514226224154).

The spelling of 1302103212123 in words is "one trillion, three hundred two billion, one hundred three million, two hundred twelve thousand, one hundred twenty-three".