20211120203012 has 24 divisors (see below), whose sum is σ = 36510970605312. Its totient is φ = 9779424314400.

The previous prime is 20211120202991. The next prime is 20211120203023. The reversal of 20211120203012 is 21030202111202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092062 + ... + 9524682.

It is an arithmetic number, because the mean of its divisors is an integer number (1521290441888).

Almost surely, 2^{20211120203012} is an apocalyptic number.

It is an amenable number.

20211120203012 is a deficient number, since it is larger than the sum of its proper divisors (16299850402300).

20211120203012 is a wasteful number, since it uses less digits than its factorization.

20211120203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499659 (or 2499657 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20211120203012 its reverse (21030202111202), we get a palindrome (41241322314214).

The spelling of 20211120203012 in words is "twenty trillion, two hundred eleven billion, one hundred twenty million, two hundred three thousand, twelve".