20012212303 has 4 divisors (see below), whose sum is σ = 21189401280. Its totient is φ = 18835023328.

The previous prime is 20012212291. The next prime is 20012212321. The reversal of 20012212303 is 30321221002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20012212303 - 2⁵ = 20012212271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012212333) 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, 588594463 + ... + 588594496.

It is an arithmetic number, because the mean of its divisors is an integer number (5297350320).

Almost surely, 2^20012212303 is an apocalyptic number.

20012212303 is a deficient number, since it is larger than the sum of its proper divisors (1177188977).

20012212303 is a wasteful number, since it uses less digits than its factorization.

20012212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177188976.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20012212303 its reverse (30321221002), we get a palindrome (50333433305).

The spelling of 20012212303 in words is "twenty billion, twelve million, two hundred twelve thousand, three hundred three".