12120121322 has 8 divisors (see below), whose sum is σ = 18807084900. Its totient is φ = 5851093024.

The previous prime is 12120121319. The next prime is 12120121333. The reversal of 12120121322 is 22312102121.

It can be written as a sum of positive squares in 2 ways, for example, as 10406244121 + 1713877201 = 102011^2 + 41399^2 .

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 12120121322.

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, 104483747 + ... + 104483862.

Almost surely, 2^12120121322 is an apocalyptic number.

12120121322 is a deficient number, since it is larger than the sum of its proper divisors (6686963578).

12120121322 is a wasteful number, since it uses less digits than its factorization.

12120121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208967640.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12120121322 its reverse (22312102121), we get a palindrome (34432223443).

The spelling of 12120121322 in words is "twelve billion, one hundred twenty million, one hundred twenty-one thousand, three hundred twenty-two".