1000200120003 has 48 divisors (see below), whose sum is σ = 1723826540160. Its totient is φ = 571501263312.

The previous prime is 1000200119959. The next prime is 1000200120037. The reversal of 1000200120003 is 3000210020001.

It is a happy number.

It is not a de Polignac number, because 1000200120003 - 2⁶ = 1000200119939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000200120053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34048600 + ... + 34077962.

It is an arithmetic number, because the mean of its divisors is an integer number (35913052920).

Almost surely, 2^{1000200120003} is an apocalyptic number.

1000200120003 is a deficient number, since it is larger than the sum of its proper divisors (723626420157).

1000200120003 is a wasteful number, since it uses less digits than its factorization.

1000200120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55133 (or 55120 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1000200120003 its reverse (3000210020001), we get a palindrome (4000410140004).

The spelling of 1000200120003 in words is "one trillion, two hundred million, one hundred twenty thousand, three".