20110001212000 has 144 divisors (see below), whose sum is σ = 57477256881408. Its totient is φ = 6894857491200.

The previous prime is 20110001211997. The next prime is 20110001212033. The reversal of 20110001212000 is 21210001102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51105024 + ... + 51497023.

It is an arithmetic number, because the mean of its divisors is an integer number (399147617232).

Almost surely, 2^{20110001212000} is an apocalyptic number.

20110001212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110001212000 is an abundant number, since it is smaller than the sum of its proper divisors (37367255669408).

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

20110001212000 is a wasteful number, since it uses less digits than its factorization.

20110001212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102602086 (or 102602061 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20110001212000 its reverse (21210001102), we get a palindrome (20131211213102).

The spelling of 20110001212000 in words is "twenty trillion, one hundred ten billion, one million, two hundred twelve thousand".