1012200020011 has 8 divisors (see below), whose sum is σ = 1028921148800. Its totient is φ = 995483010240.

The previous prime is 1012200019993. The next prime is 1012200020071. The reversal of 1012200020011 is 1100200022101.

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 1012200020011 - 2²¹ = 1012197922859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012200020011.

It is not an unprimeable number, because it can be changed into a prime (1012200020071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532251 + ... + 1519108.

It is an arithmetic number, because the mean of its divisors is an integer number (128615143600).

Almost surely, 2^{1012200020011} is an apocalyptic number.

1012200020011 is a deficient number, since it is larger than the sum of its proper divisors (16721128789).

1012200020011 is an equidigital number, since it uses as much as digits as its factorization.

1012200020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059509.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012200020011 its reverse (1100200022101), we get a palindrome (2112400042112).

The spelling of 1012200020011 in words is "one trillion, twelve billion, two hundred million, twenty thousand, eleven".