20121022322 has 16 divisors (see below), whose sum is σ = 31379134752. Its totient is φ = 9668635680.

The previous prime is 20121022309. The next prime is 20121022387. The reversal of 20121022322 is 22322012102.

It is a self number, because there is not a number n which added to its sum of digits gives 20121022322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825688 + ... + 1836675.

It is an arithmetic number, because the mean of its divisors is an integer number (1961195922).

Almost surely, 2^20121022322 is an apocalyptic number.

20121022322 is a deficient number, since it is larger than the sum of its proper divisors (11258112430).

20121022322 is a wasteful number, since it uses less digits than its factorization.

20121022322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662473.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20121022322 its reverse (22322012102), we get a palindrome (42443034424).

The spelling of 20121022322 in words is "twenty billion, one hundred twenty-one million, twenty-two thousand, three hundred twenty-two".