20211124012 has 12 divisors (see below), whose sum is σ = 35371044016. Its totient is φ = 10105111440.

The previous prime is 20211123899. The next prime is 20211124057. The reversal of 20211124012 is 21042111202.

It is a super-2 number, since 2×20211124012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 201055.

Almost surely, 2^20211124012 is an apocalyptic number.

It is an amenable number.

20211124012 is a deficient number, since it is larger than the sum of its proper divisors (15159920004).

20211124012 is a wasteful number, since it uses less digits than its factorization.

20211124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225288 (or 225286 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20211124012 its reverse (21042111202), we get a palindrome (41253235214).

The spelling of 20211124012 in words is "twenty billion, two hundred eleven million, one hundred twenty-four thousand, twelve".