20121320303332 has 6 divisors (see below), whose sum is σ = 35212310530838. Its totient is φ = 10060660151664.

The previous prime is 20121320303299. The next prime is 20121320303401. The reversal of 20121320303332 is 23330302312102.

It can be written as a sum of positive squares in only one way, i.e., 17692909214436 + 2428411088896 = 4206294^2 + 1558336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20121320303297 and 20121320303306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515165037913 + ... + 2515165037920.

Almost surely, 2^{20121320303332} is an apocalyptic number.

It is an amenable number.

20121320303332 is a deficient number, since it is larger than the sum of its proper divisors (15090990227506).

20121320303332 is a wasteful number, since it uses less digits than its factorization.

20121320303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5030330075837 (or 5030330075835 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20121320303332 its reverse (23330302312102), we get a palindrome (43451622615434).

The spelling of 20121320303332 in words is "twenty trillion, one hundred twenty-one billion, three hundred twenty million, three hundred three thousand, three hundred thirty-two".