1212334534 has 4 divisors (see below), whose sum is σ = 1818501804. Its totient is φ = 606167266.

The previous prime is 1212334523. The next prime is 1212334547. The reversal of 1212334534 is 4354332121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303083632 + ... + 303083635.

It is an arithmetic number, because the mean of its divisors is an integer number (454625451).

Almost surely, 2^1212334534 is an apocalyptic number.

1212334534 is a deficient number, since it is larger than the sum of its proper divisors (606167270).

1212334534 is an equidigital number, since it uses as much as digits as its factorization.

1212334534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606167269.

The product of its digits is 8640, while the sum is 28.

The square root of 1212334534 is about 34818.5946586016. The cubic root of 1212334534 is about 1066.2871090750.

Adding to 1212334534 its reverse (4354332121), we get a palindrome (5566666655).

The spelling of 1212334534 in words is "one billion, two hundred twelve million, three hundred thirty-four thousand, five hundred thirty-four".