11212040343 has 16 divisors (see below), whose sum is σ = 17407374336. Its totient is φ = 6285995040.

The previous prime is 11212040341. The next prime is 11212040377. The reversal of 11212040343 is 34304021211.

It is not a de Polignac number, because 11212040343 - 2¹ = 11212040341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212040341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5035743 + ... + 5037968.

It is an arithmetic number, because the mean of its divisors is an integer number (1087960896).

Almost surely, 2^11212040343 is an apocalyptic number.

11212040343 is a deficient number, since it is larger than the sum of its proper divisors (6195333993).

11212040343 is a wasteful number, since it uses less digits than its factorization.

11212040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073774.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11212040343 its reverse (34304021211), we get a palindrome (45516061554).

The spelling of 11212040343 in words is "eleven billion, two hundred twelve million, forty thousand, three hundred forty-three".