1200010001011 has 8 divisors (see below), whose sum is σ = 1200785040000. Its totient is φ = 1199235195840.

The previous prime is 1200010000993. The next prime is 1200010001093. The reversal of 1200010001011 is 1101000100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200010001011 - 2²⁷ = 1199875783283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200010000985 and 1200010001003.

It is not an unprimeable number, because it can be changed into a prime (1200010001611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10858071 + ... + 10968031.

It is an arithmetic number, because the mean of its divisors is an integer number (150098130000).

Almost surely, 2^{1200010001011} is an apocalyptic number.

1200010001011 is a deficient number, since it is larger than the sum of its proper divisors (775038989).

1200010001011 is a wasteful number, since it uses less digits than its factorization.

1200010001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116909.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1200010001011 its reverse (1101000100021), we get a palindrome (2301010101032).

It can be divided in two parts, 12000100010 and 11, that added together give a palindrome (12000100021).

The spelling of 1200010001011 in words is "one trillion, two hundred billion, ten million, one thousand, eleven".