22003203212 has 12 divisors (see below), whose sum is σ = 38555683320. Its totient is φ = 10987293696.

The previous prime is 22003203203. The next prime is 22003203223. The reversal of 22003203212 is 21230230022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573518 + ... + 3579669.

It is an arithmetic number, because the mean of its divisors is an integer number (3212973610).

Almost surely, 2^22003203212 is an apocalyptic number.

It is an amenable number.

22003203212 is a deficient number, since it is larger than the sum of its proper divisors (16552480108).

22003203212 is a wasteful number, since it uses less digits than its factorization.

22003203212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153960 (or 7153958 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22003203212 its reverse (21230230022), we get a palindrome (43233433234).

The spelling of 22003203212 in words is "twenty-two billion, three million, two hundred three thousand, two hundred twelve".