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212212102121202 = 2335368683686867
BaseRepresentation
bin110000010000000101111010…
…111101101100011011110010
31000211101021112021021022011110
4300100011322331230123302
5210303340341120334302
62031200521024054150
762461550501526321
oct6020057275543362
91024337467238143
10212212102121202
1161687713320107
121b974163764356
1391546913395a1
143a59198ac60b8
1519801ccb27b6c
hexc1017af6c6f2

212212102121202 has 8 divisors (see below), whose sum is σ = 424424204242416. Its totient is φ = 70737367373732.

The previous prime is 212212102121177. The next prime is 212212102121209. The reversal of 212212102121202 is 202121201212212.

212212102121202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

212212102121202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (212212102121209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17684341843428 + ... + 17684341843439.

It is an arithmetic number, because the mean of its divisors is an integer number (53053025530302).

Almost surely, 2212212102121202 is an apocalyptic number.

212212102121202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212212102121202 is a wasteful number, since it uses less digits than its factorization.

212212102121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35368683686872.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212102121202 its reverse (202121201212212), we get a palindrome (414333303333414).

The spelling of 212212102121202 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 35368683686867 70737367373734 106106051060601 212212102121202