20201211312000 has 512 divisors, whose sum is σ = 71047054540800. Its totient is φ = 5063250124800.

The previous prime is 20201211311929. The next prime is 20201211312013. The reversal of 20201211312000 is 21311210202.

It is a super-2 number, since 2×20201211312000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115736794 + ... + 115911206.

It is an arithmetic number, because the mean of its divisors is an integer number (138763778400).

Almost surely, 2^{20201211312000} is an apocalyptic number.

20201211312000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201211312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35523527270400).

20201211312000 is an abundant number, since it is smaller than the sum of its proper divisors (50845843228800).

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

20201211312000 is a wasteful number, since it uses less digits than its factorization.

20201211312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174591 (or 174569 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20201211312000 its reverse (21311210202), we get a palindrome (20222522522202).

The spelling of 20201211312000 in words is "twenty trillion, two hundred one billion, two hundred eleven million, three hundred twelve thousand".