1001200011002 has 4 divisors (see below), whose sum is σ = 1501800016506. Its totient is φ = 500600005500.

The previous prime is 1001200010917. The next prime is 1001200011013. The reversal of 1001200011002 is 2001100021001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 592036374721 + 409163636281 = 769439^2 + 639659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250300002749 + ... + 250300002752.

Almost surely, 2^{1001200011002} is an apocalyptic number.

1001200011002 is a deficient number, since it is larger than the sum of its proper divisors (500600005504).

1001200011002 is an equidigital number, since it uses as much as digits as its factorization.

1001200011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500600005503.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1001200011002 its reverse (2001100021001), we get a palindrome (3002300032003).

Subtracting 1001200011002 from its reverse (2001100021001), we obtain a palindrome (999900009999).

The spelling of 1001200011002 in words is "one trillion, one billion, two hundred million, eleven thousand, two".