1203000030120 has 128 divisors (see below), whose sum is σ = 4124943440640. Its totient is φ = 274946641920.

The previous prime is 1203000030079. The next prime is 1203000030131. The reversal of 1203000030120 is 210300003021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1203000030096 and 1203000030105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10234080 + ... + 10350960.

It is an arithmetic number, because the mean of its divisors is an integer number (32226120630).

Almost surely, 2^{1203000030120} is an apocalyptic number.

1203000030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203000030120 is an abundant number, since it is smaller than the sum of its proper divisors (2921943410520).

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

1203000030120 is a wasteful number, since it uses less digits than its factorization.

1203000030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129155 (or 129151 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1203000030120 its reverse (210300003021), we get a palindrome (1413300033141).

The spelling of 1203000030120 in words is "one trillion, two hundred three billion, thirty thousand, one hundred twenty".