1220312022003 has 24 divisors (see below), whose sum is σ = 1768755268800. Its totient is φ = 810738539520.

The previous prime is 1220312021987. The next prime is 1220312022029. The reversal of 1220312022003 is 3002202130221.

It is not a de Polignac number, because 1220312022003 - 2⁴ = 1220312021987 is a prime.

It is a super-2 number, since 2×1220312022003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220312022043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3133750 + ... + 3501572.

It is an arithmetic number, because the mean of its divisors is an integer number (73698136200).

Almost surely, 2^{1220312022003} is an apocalyptic number.

1220312022003 is a deficient number, since it is larger than the sum of its proper divisors (548443246797).

1220312022003 is a wasteful number, since it uses less digits than its factorization.

1220312022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369099 (or 369096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1220312022003 its reverse (3002202130221), we get a palindrome (4222514152224).

The spelling of 1220312022003 in words is "one trillion, two hundred twenty billion, three hundred twelve million, twenty-two thousand, three".