1200313434111 has 32 divisors (see below), whose sum is σ = 1858450003200. Its totient is φ = 681431604480.

The previous prime is 1200313434091. The next prime is 1200313434119. The reversal of 1200313434111 is 1114343130021.

It is a happy number.

It is not a de Polignac number, because 1200313434111 - 2²³ = 1200305045503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200313434119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10699116 + ... + 10810721.

It is an arithmetic number, because the mean of its divisors is an integer number (58076562600).

Almost surely, 2^{1200313434111} is an apocalyptic number.

1200313434111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200313434111 is a deficient number, since it is larger than the sum of its proper divisors (658136569089).

1200313434111 is a wasteful number, since it uses less digits than its factorization.

1200313434111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21509959.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1200313434111 its reverse (1114343130021), we get a palindrome (2314656564132).

The spelling of 1200313434111 in words is "one trillion, two hundred billion, three hundred thirteen million, four hundred thirty-four thousand, one hundred eleven".