1211234343134 has 16 divisors (see below), whose sum is σ = 1859857790208. Its totient is φ = 591293169432.

The previous prime is 1211234343133. The next prime is 1211234343161. The reversal of 1211234343134 is 4313434321121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211234343134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211234343133) 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, 2642342 + ... + 3066665.

It is an arithmetic number, because the mean of its divisors is an integer number (116241111888).

Almost surely, 2^{1211234343134} is an apocalyptic number.

1211234343134 is a deficient number, since it is larger than the sum of its proper divisors (648623447074).

1211234343134 is a wasteful number, since it uses less digits than its factorization.

1211234343134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711519.

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

Adding to 1211234343134 its reverse (4313434321121), we get a palindrome (5524668664255).

The spelling of 1211234343134 in words is "one trillion, two hundred eleven billion, two hundred thirty-four million, three hundred forty-three thousand, one hundred thirty-four".