20212320112 has 10 divisors (see below), whose sum is σ = 39161370248. Its totient is φ = 10106160048.

The previous prime is 20212320109. The next prime is 20212320127. The reversal of 20212320112 is 21102321202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1263270007 = 20212320112 / (2 + 0 + 2 + 1 + 2 + 3 + 2 + 0 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631634988 + ... + 631635019.

Almost surely, 2^20212320112 is an apocalyptic number.

It is an amenable number.

20212320112 is a deficient number, since it is larger than the sum of its proper divisors (18949050136).

20212320112 is a wasteful number, since it uses less digits than its factorization.

20212320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263270015 (or 1263270009 counting only the distinct ones).

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

Adding to 20212320112 its reverse (21102321202), we get a palindrome (41314641314).

The spelling of 20212320112 in words is "twenty billion, two hundred twelve million, three hundred twenty thousand, one hundred twelve".