120506001203 has 6 divisors (see below), whose sum is σ = 140180450436. Its totient is φ = 103290858132.

The previous prime is 120506001193. The next prime is 120506001221. The reversal of 120506001203 is 302100605021.

It is a de Polignac number, because none of the positive numbers 2^k-120506001203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120506001103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1229653025 + ... + 1229653122.

It is an arithmetic number, because the mean of its divisors is an integer number (23363408406).

Almost surely, 2^120506001203 is an apocalyptic number.

120506001203 is a deficient number, since it is larger than the sum of its proper divisors (19674449233).

120506001203 is an equidigital number, since it uses as much as digits as its factorization.

120506001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459306161 (or 2459306154 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 120506001203 its reverse (302100605021), we get a palindrome (422606606224).

The spelling of 120506001203 in words is "one hundred twenty billion, five hundred six million, one thousand, two hundred three".