11780814212 has 12 divisors (see below), whose sum is σ = 21119264796. Its totient is φ = 5746738560.

The previous prime is 11780814197. The next prime is 11780814233. The reversal of 11780814212 is 21241808711.

11780814212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3756954436 + 8023859776 = 61294^2 + 89576^2 .

It is a super-2 number, since 2×11780814212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 35916953 + ... + 35917280.

It is an arithmetic number, because the mean of its divisors is an integer number (1759938733).

Almost surely, 2^11780814212 is an apocalyptic number.

It is an amenable number.

11780814212 is a deficient number, since it is larger than the sum of its proper divisors (9338450584).

11780814212 is a wasteful number, since it uses less digits than its factorization.

11780814212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71834278 (or 71834276 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The spelling of 11780814212 in words is "eleven billion, seven hundred eighty million, eight hundred fourteen thousand, two hundred twelve".