20121302322 has 48 divisors (see below), whose sum is σ = 47598902208. Its totient is φ = 6092305440.

The previous prime is 20121302317. The next prime is 20121302351. The reversal of 20121302322 is 22320312102.

20121302322 is a `hidden beast` number, since 20 + 1 + 21 + 302 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20121302295 and 20121302304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200608 + ... + 283700.

It is an arithmetic number, because the mean of its divisors is an integer number (991643796).

Almost surely, 2^20121302322 is an apocalyptic number.

20121302322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20121302322 is an abundant number, since it is smaller than the sum of its proper divisors (27477599886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20121302322 is a wasteful number, since it uses less digits than its factorization.

20121302322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84335 (or 84332 counting only the distinct ones).

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

Adding to 20121302322 its reverse (22320312102), we get a palindrome (42441614424).

The spelling of 20121302322 in words is "twenty billion, one hundred twenty-one million, three hundred two thousand, three hundred twenty-two".