1012200011 has 4 divisors (see below), whose sum is σ = 1012263912. Its totient is φ = 1012136112.

The previous prime is 1012199999. The next prime is 1012200017. The reversal of 1012200011 is 1100022101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1100022101 = 3593 ⋅306157.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012200011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012200017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11576 + ... + 46458.

It is an arithmetic number, because the mean of its divisors is an integer number (253065978).

Almost surely, 2^1012200011 is an apocalyptic number.

1012200011 is a deficient number, since it is larger than the sum of its proper divisors (63901).

1012200011 is an equidigital number, since it uses as much as digits as its factorization.

1012200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63900.

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

The square root of 1012200011 is about 31815.0909318204. The cubic root of 1012200011 is about 1004.0502437118.

Adding to 1012200011 its reverse (1100022101), we get a palindrome (2112222112).

The spelling of 1012200011 in words is "one billion, twelve million, two hundred thousand, eleven".