120000503000 has 64 divisors (see below), whose sum is σ = 320915649600. Its totient is φ = 41143027200.

The previous prime is 120000502871. The next prime is 120000503003. The reversal of 120000503000 is 305000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000503003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8564465 + ... + 8578464.

It is an arithmetic number, because the mean of its divisors is an integer number (5014307025).

Almost surely, 2^120000503000 is an apocalyptic number.

120000503000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000503000 is an abundant number, since it is smaller than the sum of its proper divisors (200915146600).

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

120000503000 is a wasteful number, since it uses less digits than its factorization.

120000503000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142957 (or 17142943 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

Adding to 120000503000 its reverse (305000021), we get a palindrome (120305503021).

The spelling of 120000503000 in words is "one hundred twenty billion, five hundred three thousand".