1220003299969 has 4 divisors (see below), whose sum is σ = 1220858244144. Its totient is φ = 1219148355796.

The previous prime is 1220003299877. The next prime is 1220003299973. The reversal of 1220003299969 is 9699923000221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1220003299969 - 2⁹ = 1220003299457 is a prime.

It is a super-2 number, since 2×1220003299969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220003299979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427469947 + ... + 427472800.

It is an arithmetic number, because the mean of its divisors is an integer number (305214561036).

Almost surely, 2^{1220003299969} is an apocalyptic number.

It is an amenable number.

1220003299969 is a deficient number, since it is larger than the sum of its proper divisors (854944175).

1220003299969 is an equidigital number, since it uses as much as digits as its factorization.

1220003299969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854944174.

The product of its (nonzero) digits is 944784, while the sum is 52.

The spelling of 1220003299969 in words is "one trillion, two hundred twenty billion, three million, two hundred ninety-nine thousand, nine hundred sixty-nine".