1211443343132 has 12 divisors (see below), whose sum is σ = 2312755473336. Its totient is φ = 550656065040.

The previous prime is 1211443343119. The next prime is 1211443343137. The reversal of 1211443343132 is 2313433441121.

It is a super-3 number, since 3×1211443343132³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211443343137) 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, 13766401583 + ... + 13766401670.

It is an arithmetic number, because the mean of its divisors is an integer number (192729622778).

Almost surely, 2^{1211443343132} is an apocalyptic number.

It is an amenable number.

1211443343132 is a deficient number, since it is larger than the sum of its proper divisors (1101312130204).

1211443343132 is a wasteful number, since it uses less digits than its factorization.

1211443343132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27532803268 (or 27532803266 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

Adding to 1211443343132 its reverse (2313433441121), we get a palindrome (3524876784253).

The spelling of 1211443343132 in words is "one trillion, two hundred eleven billion, four hundred forty-three million, three hundred forty-three thousand, one hundred thirty-two".