1220003299979 has 2 divisors, whose sum is σ = 1220003299980. Its totient is φ = 1220003299978.

The previous prime is 1220003299973. The next prime is 1220003300027. The reversal of 1220003299979 is 9799923000221.

It is a weak prime.

It is an emirp because it is prime and its reverse (9799923000221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220003299979 is a prime.

It is a super-2 number, since 2×1220003299979² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220003299979.

It is not a weakly prime, because it can be changed into another prime (1220003299973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610001649989 + 610001649990.

It is an arithmetic number, because the mean of its divisors is an integer number (610001649990).

Almost surely, 2^{1220003299979} is an apocalyptic number.

1220003299979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220003299979 is an equidigital number, since it uses as much as digits as its factorization.

1220003299979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The spelling of 1220003299979 in words is "one trillion, two hundred twenty billion, three million, two hundred ninety-nine thousand, nine hundred seventy-nine".