1302100133123 has 4 divisors (see below), whose sum is σ = 1311467760120. Its totient is φ = 1292732506128.

The previous prime is 1302100133111. The next prime is 1302100133137. The reversal of 1302100133123 is 3213310012031.

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

It is a cyclic number.

It is not a de Polignac number, because 1302100133123 - 2²⁴ = 1302083355907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302100133095 and 1302100133104.

It is not an unprimeable number, because it can be changed into a prime (1302100133423) 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, 4683813290 + ... + 4683813567.

It is an arithmetic number, because the mean of its divisors is an integer number (327866940030).

Almost surely, 2^{1302100133123} is an apocalyptic number.

1302100133123 is a deficient number, since it is larger than the sum of its proper divisors (9367626997).

1302100133123 is an equidigital number, since it uses as much as digits as its factorization.

1302100133123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367626996.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1302100133123 its reverse (3213310012031), we get a palindrome (4515410145154).

The spelling of 1302100133123 in words is "one trillion, three hundred two billion, one hundred million, one hundred thirty-three thousand, one hundred twenty-three".