1212443463 has 32 divisors (see below), whose sum is σ = 2017838592. Its totient is φ = 629107200.

The previous prime is 1212443461. The next prime is 1212443467. The reversal of 1212443463 is 3643442121.

It is not a de Polignac number, because 1212443463 - 2¹ = 1212443461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212443463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212443461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236083 + ... + 241163.

It is an arithmetic number, because the mean of its divisors is an integer number (63057456).

Almost surely, 2^1212443463 is an apocalyptic number.

1212443463 is a deficient number, since it is larger than the sum of its proper divisors (805395129).

1212443463 is a wasteful number, since it uses less digits than its factorization.

1212443463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135.

The product of its digits is 13824, while the sum is 30.

The square root of 1212443463 is about 34820.1588594883. The cubic root of 1212443463 is about 1066.3190436350.

Adding to 1212443463 its reverse (3643442121), we get a palindrome (4855885584).

The spelling of 1212443463 in words is "one billion, two hundred twelve million, four hundred forty-three thousand, four hundred sixty-three".