12198958862 has 64 divisors (see below), whose sum is σ = 19773186048. Its totient is φ = 5634048000.

The previous prime is 12198958819. The next prime is 12198958883. The reversal of 12198958862 is 26885989121.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 46383743 + ... + 46384005.

It is an arithmetic number, because the mean of its divisors is an integer number (308956032).

Almost surely, 2^12198958862 is an apocalyptic number.

12198958862 is a deficient number, since it is larger than the sum of its proper divisors (7574227186).

12198958862 is a wasteful number, since it uses less digits than its factorization.

12198958862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its digits is 4976640, while the sum is 59.

The spelling of 12198958862 in words is "twelve billion, one hundred ninety-eight million, nine hundred fifty-eight thousand, eight hundred sixty-two".