1300123300021 has 32 divisors (see below), whose sum is σ = 1668124071936. Its totient is φ = 985629600000.

The previous prime is 1300123299997. The next prime is 1300123300067. The reversal of 1300123300021 is 1200033210031.

It is a cyclic number.

It is not a de Polignac number, because 1300123300021 - 2¹³ = 1300123291829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300123299968 and 1300123300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300123300921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1996630 + ... + 2566471.

It is an arithmetic number, because the mean of its divisors is an integer number (52128877248).

Almost surely, 2^{1300123300021} is an apocalyptic number.

It is an amenable number.

1300123300021 is a deficient number, since it is larger than the sum of its proper divisors (368000771915).

1300123300021 is a wasteful number, since it uses less digits than its factorization.

1300123300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563253.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1300123300021 its reverse (1200033210031), we get a palindrome (2500156510052).

The spelling of 1300123300021 in words is "one trillion, three hundred billion, one hundred twenty-three million, three hundred thousand, twenty-one".