1220000010989 has 8 divisors (see below), whose sum is σ = 1254367766400. Its totient is φ = 1185851858400.

The previous prime is 1220000010947. The next prime is 1220000011067. The reversal of 1220000010989 is 9890100000221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220000010989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220000015989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54889439 + ... + 54911660.

It is an arithmetic number, because the mean of its divisors is an integer number (156795970800).

Almost surely, 2^{1220000010989} is an apocalyptic number.

It is an amenable number.

1220000010989 is a deficient number, since it is larger than the sum of its proper divisors (34367755411).

1220000010989 is a wasteful number, since it uses less digits than its factorization.

1220000010989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109801411.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 1220000010989 in words is "one trillion, two hundred twenty billion, ten thousand, nine hundred eighty-nine".