220302123212 has 12 divisors (see below), whose sum is σ = 387355867416. Its totient is φ = 109629018240.

The previous prime is 220302123161. The next prime is 220302123257. The reversal of 220302123212 is 212321203022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130509893 + ... + 130511580.

It is an arithmetic number, because the mean of its divisors is an integer number (32279655618).

Almost surely, 2^220302123212 is an apocalyptic number.

It is an amenable number.

220302123212 is a deficient number, since it is larger than the sum of its proper divisors (167053744204).

220302123212 is a wasteful number, since it uses less digits than its factorization.

220302123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261021688 (or 261021686 counting only the distinct ones).

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

Adding to 220302123212 its reverse (212321203022), we get a palindrome (432623326234).

The spelling of 220302123212 in words is "two hundred twenty billion, three hundred two million, one hundred twenty-three thousand, two hundred twelve".