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212011000012112 = 24721923976379537
BaseRepresentation
bin110000001101001010101000…
…010110000001110101010000
31000210200001110010011200012212
4300031022220112001311100
5210242042012000341422
62030524301524011252
762441201136023300
oct6015125026016520
91023601403150185
10212011000012112
116160a3a6434054
121b94119ab30b28
13913b7228ab772
143a4d55c4b7600
151979d5ca529e2
hexc0d2a8581d50

212011000012112 has 240 divisors, whose sum is σ = 530265157107840. Its totient is φ = 81488212033536.

The previous prime is 212011000012111. The next prime is 212011000012129. The reversal of 212011000012112 is 211210000110212.

It is a super-2 number, since 2×2120110000121122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011000012111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30043208 + ... + 36422744.

It is an arithmetic number, because the mean of its divisors is an integer number (2209438154616).

Almost surely, 2212011000012112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212011000012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265132578553920).

212011000012112 is an abundant number, since it is smaller than the sum of its proper divisors (318254157095728).

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

212011000012112 is a wasteful number, since it uses less digits than its factorization.

212011000012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379698 (or 6379685 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212011000012112 its reverse (211210000110212), we get a palindrome (423221000122324).

The spelling of 212011000012112 in words is "two hundred twelve trillion, eleven billion, twelve thousand, one hundred twelve".