1200030123113 has 4 divisors (see below), whose sum is σ = 1229299150548. Its totient is φ = 1170761095680.

The previous prime is 1200030123107. The next prime is 1200030123179. The reversal of 1200030123113 is 3113210300021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 281522564569 + 918507558544 = 530587^2 + 958388^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200030123113 - 2⁸ = 1200030122857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200030123091 and 1200030123100.

It is not an unprimeable number, because it can be changed into a prime (1200030123713) 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, 14634513656 + ... + 14634513737.

It is an arithmetic number, because the mean of its divisors is an integer number (307324787637).

Almost surely, 2^{1200030123113} is an apocalyptic number.

It is an amenable number.

1200030123113 is a deficient number, since it is larger than the sum of its proper divisors (29269027435).

1200030123113 is an equidigital number, since it uses as much as digits as its factorization.

1200030123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29269027434.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1200030123113 its reverse (3113210300021), we get a palindrome (4313240423134).

The spelling of 1200030123113 in words is "one trillion, two hundred billion, thirty million, one hundred twenty-three thousand, one hundred thirteen".