303212021222 has 32 divisors (see below), whose sum is σ = 512938065024. Its totient is φ = 133230585600.

The previous prime is 303212021219. The next prime is 303212021261. The reversal of 303212021222 is 222120212303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 303212021194 and 303212021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560404 + ... + 1743927.

It is an arithmetic number, because the mean of its divisors is an integer number (16029314532).

Almost surely, 2^303212021222 is an apocalyptic number.

303212021222 is a deficient number, since it is larger than the sum of its proper divisors (209726043802).

303212021222 is a wasteful number, since it uses less digits than its factorization.

303212021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304484.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 303212021222 its reverse (222120212303), we get a palindrome (525332233525).

The spelling of 303212021222 in words is "three hundred three billion, two hundred twelve million, twenty-one thousand, two hundred twenty-two".