1213312034 has 32 divisors (see below), whose sum is σ = 2063845440. Its totient is φ = 529905600.

The previous prime is 1213312033. The next prime is 1213312039. The reversal of 1213312034 is 4302133121.

It is a junction number, because it is equal to n+sod(n) for n = 1213311997 and 1213312015.

It is not an unprimeable number, because it can be changed into a prime (1213312033) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 130112 + ... + 139124.

It is an arithmetic number, because the mean of its divisors is an integer number (64495170).

Almost surely, 2^1213312034 is an apocalyptic number.

1213312034 is a deficient number, since it is larger than the sum of its proper divisors (850533406).

1213312034 is a wasteful number, since it uses less digits than its factorization.

1213312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1213312034 is about 34832.6288700695. The cubic root of 1213312034 is about 1066.5736129545.

Adding to 1213312034 its reverse (4302133121), we get a palindrome (5515445155).

The spelling of 1213312034 in words is "one billion, two hundred thirteen million, three hundred twelve thousand, thirty-four".