20201111412012 has 24 divisors (see below), whose sum is σ = 52373251809200. Its totient is φ = 6733703803968.

The previous prime is 20201111411909. The next prime is 20201111412017. The reversal of 20201111412012 is 21021411110202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20201111412017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93523663837 + ... + 93523664052.

Almost surely, 2^{20201111412012} is an apocalyptic number.

It is an amenable number.

20201111412012 is an abundant number, since it is smaller than the sum of its proper divisors (32172140397188).

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

20201111412012 is a wasteful number, since it uses less digits than its factorization.

20201111412012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187047327902 (or 187047327894 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20201111412012 its reverse (21021411110202), we get a palindrome (41222522522214).

The spelling of 20201111412012 in words is "twenty trillion, two hundred one billion, one hundred eleven million, four hundred twelve thousand, twelve".