1220222212003 has 4 divisors (see below), whose sum is σ = 1220343119968. Its totient is φ = 1220101304040.

The previous prime is 1220222211983. The next prime is 1220222212021. The reversal of 1220222212003 is 3002122220221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220222212003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220222212103) 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, 60438843 + ... + 60459028.

It is an arithmetic number, because the mean of its divisors is an integer number (305085779992).

Almost surely, 2^{1220222212003} is an apocalyptic number.

1220222212003 is a deficient number, since it is larger than the sum of its proper divisors (120907965).

1220222212003 is a wasteful number, since it uses less digits than its factorization.

1220222212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120907964.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1220222212003 its reverse (3002122220221), we get a palindrome (4222344432224).

The spelling of 1220222212003 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, three".