1200123300030 has 64 divisors (see below), whose sum is σ = 2980102233600. Its totient is φ = 308946888320.

The previous prime is 1200123299957. The next prime is 1200123300031. The reversal of 1200123300030 is 300033210021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1200123299982 and 1200123300009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200123300031) 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, 5381281 + ... + 5599859.

It is an arithmetic number, because the mean of its divisors is an integer number (46564097400).

Almost surely, 2^{1200123300030} is an apocalyptic number.

1200123300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200123300030 is an abundant number, since it is smaller than the sum of its proper divisors (1779978933570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200123300030 is a wasteful number, since it uses less digits than its factorization.

1200123300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224929.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1200123300030 its reverse (300033210021), we get a palindrome (1500156510051).

Subtracting from 1200123300030 its reverse (300033210021), we obtain a palindrome (900090090009).

The spelling of 1200123300030 in words is "one trillion, two hundred billion, one hundred twenty-three million, three hundred thousand, thirty".