20211303012 has 48 divisors (see below), whose sum is σ = 47492760000. Its totient is φ = 6689599488.

The previous prime is 20211302959. The next prime is 20211303017. The reversal of 20211303012 is 21030311202.

It is a junction number, because it is equal to n+sod(n) for n = 20211302982 and 20211303000.

It is not an unprimeable number, because it can be changed into a prime (20211303017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2438908 + ... + 2447180.

It is an arithmetic number, because the mean of its divisors is an integer number (989432500).

Almost surely, 2^20211303012 is an apocalyptic number.

It is an amenable number.

20211303012 is an abundant number, since it is smaller than the sum of its proper divisors (27281456988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211303012 is a wasteful number, since it uses less digits than its factorization.

20211303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692 (or 9690 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20211303012 its reverse (21030311202), we get a palindrome (41241614214).

The spelling of 20211303012 in words is "twenty billion, two hundred eleven million, three hundred three thousand, twelve".