Search a number
-
+
212011102020000 = 253545851603917
BaseRepresentation
bin110000001101001010101110…
…011011001010000110100000
31000210200001201020010012201210
4300031022232123022012200
5210242042214104120000
62030524320010230120
762441203515050343
oct6015125633120640
91023601636105653
10212011102020000
116160a448a77098
121b941209125340
13913b73aa7616a
143a4d56bc6c45a
151979d669a2350
hexc0d2ae6ca1a0

212011102020000 has 240 divisors, whose sum is σ = 695558826702432. Its totient is φ = 56526537600000.

The previous prime is 212011102019963. The next prime is 212011102020017. The reversal of 212011102020000 is 20201110212.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 350758042 + ... + 351361958.

Almost surely, 2212011102020000 is an apocalyptic number.

212011102020000 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 212011102020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347779413351216).

212011102020000 is an abundant number, since it is smaller than the sum of its proper divisors (483547724682432).

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

212011102020000 is an equidigital number, since it uses as much as digits as its factorization.

212011102020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609801 (or 609778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212011102020000 its reverse (20201110212), we get a palindrome (212031303130212).

The spelling of 212011102020000 in words is "two hundred twelve trillion, eleven billion, one hundred two million, twenty thousand".