20121310322 has 8 divisors (see below), whose sum is σ = 30693524400. Its totient is φ = 9890135524.

The previous prime is 20121310301. The next prime is 20121310343. The reversal of 20121310322 is 22301312102.

It is an interprime number because it is at equal distance from previous prime (20121310301) and next prime (20121310343).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20121310322.

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, 85259672 + ... + 85259907.

It is an arithmetic number, because the mean of its divisors is an integer number (3836690550).

Almost surely, 2^20121310322 is an apocalyptic number.

20121310322 is a deficient number, since it is larger than the sum of its proper divisors (10572214078).

20121310322 is a wasteful number, since it uses less digits than its factorization.

20121310322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170519640.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20121310322 its reverse (22301312102), we get a palindrome (42422622424).

The spelling of 20121310322 in words is "twenty billion, one hundred twenty-one million, three hundred ten thousand, three hundred twenty-two".