1212445404506 has 32 divisors (see below), whose sum is σ = 2090515392000. Its totient is φ = 516611255472.

The previous prime is 1212445404491. The next prime is 1212445404557. The reversal of 1212445404506 is 6054045442121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212445404506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12931865 + ... + 13025283.

It is an arithmetic number, because the mean of its divisors is an integer number (65328606000).

Almost surely, 2^{1212445404506} is an apocalyptic number.

1212445404506 is a deficient number, since it is larger than the sum of its proper divisors (878069987494).

1212445404506 is a wasteful number, since it uses less digits than its factorization.

1212445404506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98786.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 1212445404506 in words is "one trillion, two hundred twelve billion, four hundred forty-five million, four hundred four thousand, five hundred six".