20121012322 has 8 divisors (see below), whose sum is σ = 30183354972. Its totient is φ = 10059894000.

The previous prime is 20121012281. The next prime is 20121012323. The reversal of 20121012322 is 22321012102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14786316801 + 5334695521 = 121599^2 + 73039^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20121012296 and 20121012305.

It is not an unprimeable number, because it can be changed into a prime (20121012323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263829 + ... + 331432.

Almost surely, 2^20121012322 is an apocalyptic number.

20121012322 is a deficient number, since it is larger than the sum of its proper divisors (10062342650).

20121012322 is a wasteful number, since it uses less digits than its factorization.

20121012322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612164.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20121012322 its reverse (22321012102), we get a palindrome (42442024424).

The spelling of 20121012322 in words is "twenty billion, one hundred twenty-one million, twelve thousand, three hundred twenty-two".