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22012012120211 = 181153743791017
BaseRepresentation
bin1010000000101000100100…
…01010011100100010010011
32212221022211222020021202222
411000110102022130202103
510341121100100321321
6114452102340331255
74431213115613411
oct500242212344223
985838758207688
1022012012120211
117017272a985a3
1225760aa3a3b2b
13c38954364539
1456155c1a22b1
152828b26ca3ab
hex14051229c893

22012012120211 has 8 divisors (see below), whose sum is σ = 22133797393344. Its totient is φ = 21890228736960.

The previous prime is 22012012120169. The next prime is 22012012120229. The reversal of 22012012120211 is 11202121021022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22012012120211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22012012120211.

It is not an unprimeable number, because it can be changed into a prime (22012012120811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27431975 + ... + 28222991.

It is an arithmetic number, because the mean of its divisors is an integer number (2766724674168).

Almost surely, 222012012120211 is an apocalyptic number.

22012012120211 is a deficient number, since it is larger than the sum of its proper divisors (121785273133).

22012012120211 is a wasteful number, since it uses less digits than its factorization.

22012012120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944941.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22012012120211 its reverse (11202121021022), we get a palindrome (33214133141233).

The spelling of 22012012120211 in words is "twenty-two trillion, twelve billion, twelve million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 181 153743 791017 27827483 143174077 121613326631 22012012120211