20211211120012 has 48 divisors (see below), whose sum is σ = 38631416769792. Its totient is φ = 9175875404480.

The previous prime is 20211211120003. The next prime is 20211211120027. The reversal of 20211211120012 is 21002111211202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251383683 + ... + 251464069.

It is an arithmetic number, because the mean of its divisors is an integer number (804821182704).

Almost surely, 2^{20211211120012} is an apocalyptic number.

20211211120012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20211211120012 is a deficient number, since it is larger than the sum of its proper divisors (18420205649780).

20211211120012 is a wasteful number, since it uses less digits than its factorization.

20211211120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87198 (or 87196 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20211211120012 its reverse (21002111211202), we get a palindrome (41213322331214).

The spelling of 20211211120012 in words is "twenty trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty thousand, twelve".