1340120433211 has 4 divisors (see below), whose sum is σ = 1531566209392. Its totient is φ = 1148674657032.

The previous prime is 1340120433199. The next prime is 1340120433217. The reversal of 1340120433211 is 1123340210431.

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

It is not a de Polignac number, because 1340120433211 - 2¹³ = 1340120425019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340120433217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95722888080 + ... + 95722888093.

It is an arithmetic number, because the mean of its divisors is an integer number (382891552348).

Almost surely, 2^{1340120433211} is an apocalyptic number.

1340120433211 is a deficient number, since it is larger than the sum of its proper divisors (191445776181).

1340120433211 is an equidigital number, since it uses as much as digits as its factorization.

1340120433211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191445776180.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1340120433211 its reverse (1123340210431), we get a palindrome (2463460643642).

The spelling of 1340120433211 in words is "one trillion, three hundred forty billion, one hundred twenty million, four hundred thirty-three thousand, two hundred eleven".