10001200004 has 6 divisors (see below), whose sum is σ = 17502100014. Its totient is φ = 5000600000.

The previous prime is 10001199961. The next prime is 10001200057. The reversal of 10001200004 is 40000210001.

It can be written as a sum of positive squares in only one way, i.e., 7687782400 + 2313417604 = 87680^2 + 48098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10001199964 and 10001200000.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250149997 + ... + 1250150004.

It is an arithmetic number, because the mean of its divisors is an integer number (2917016669).

Almost surely, 2^10001200004 is an apocalyptic number.

It is an amenable number.

10001200004 is a deficient number, since it is larger than the sum of its proper divisors (7500900010).

10001200004 is a wasteful number, since it uses less digits than its factorization.

10001200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500300005 (or 2500300003 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10001200004 its reverse (40000210001), we get a palindrome (50001410005).

The spelling of 10001200004 in words is "ten billion, one million, two hundred thousand, four".