120000100003 has 16 divisors (see below), whose sum is σ = 144763200000. Its totient is φ = 97172220672.

The previous prime is 120000099899. The next prime is 120000100009. The reversal of 120000100003 is 300001000021.

It is a cyclic number.

It is not a de Polignac number, because 120000100003 - 2⁹ = 120000099491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120000100009) 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, 1208878 + ... + 1304371.

It is an arithmetic number, because the mean of its divisors is an integer number (9047700000).

Almost surely, 2^120000100003 is an apocalyptic number.

120000100003 is a deficient number, since it is larger than the sum of its proper divisors (24763099997).

120000100003 is a wasteful number, since it uses less digits than its factorization.

120000100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513634.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 120000100003 its reverse (300001000021), we get a palindrome (420001100024).

The spelling of 120000100003 in words is "one hundred twenty billion, one hundred thousand, three".