1211134334212 has 24 divisors (see below), whose sum is σ = 2312320413312. Its totient is φ = 550478733600.

The previous prime is 1211134334147. The next prime is 1211134334219. The reversal of 1211134334212 is 2124334311121.

It is not an unprimeable number, because it can be changed into a prime (1211134334219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251964 + ... + 1576627.

It is an arithmetic number, because the mean of its divisors is an integer number (96346683888).

Almost surely, 2^{1211134334212} is an apocalyptic number.

It is an amenable number.

1211134334212 is a deficient number, since it is larger than the sum of its proper divisors (1101186079100).

1211134334212 is a wasteful number, since it uses less digits than its factorization.

1211134334212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843659 (or 1843657 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 1211134334212 its reverse (2124334311121), we get a palindrome (3335468645333).

The spelling of 1211134334212 in words is "one trillion, two hundred eleven billion, one hundred thirty-four million, three hundred thirty-four thousand, two hundred twelve".