1220102199964 has 12 divisors (see below), whose sum is σ = 2135187571104. Its totient is φ = 610048608224.

The previous prime is 1220102199961. The next prime is 1220102199971. The reversal of 1220102199964 is 4699912010221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220102199961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883629 + ... + 1794715.

It is an arithmetic number, because the mean of its divisors is an integer number (177932297592).

Almost surely, 2^{1220102199964} is an apocalyptic number.

It is an amenable number.

1220102199964 is a deficient number, since it is larger than the sum of its proper divisors (915085371140).

1220102199964 is a wasteful number, since it uses less digits than its factorization.

1220102199964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245884 (or 1245882 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 1220102199964 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred ninety-nine thousand, nine hundred sixty-four".