1211134024434 has 16 divisors (see below), whose sum is σ = 2451452002272. Its totient is φ = 398847349248.

The previous prime is 1211134024427. The next prime is 1211134024459. The reversal of 1211134024434 is 4344204311121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215997519 + ... + 1215998514.

It is an arithmetic number, because the mean of its divisors is an integer number (153215750142).

Almost surely, 2^{1211134024434} is an apocalyptic number.

1211134024434 is an abundant number, since it is smaller than the sum of its proper divisors (1240317977838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211134024434 is a wasteful number, since it uses less digits than its factorization.

1211134024434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431996121.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1211134024434 its reverse (4344204311121), we get a palindrome (5555338335555).

The spelling of 1211134024434 in words is "one trillion, two hundred eleven billion, one hundred thirty-four million, twenty-four thousand, four hundred thirty-four".