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12211211020210 = 2523314736439411
BaseRepresentation
bin1011000110110010010011…
…1001010010011110110010
31121020101021021212121211121
42301230210321102132302
53100032030010121320
641545430343132454
72400142123035436
oct261544471223662
947211237777747
1012211211020210
113988822303464
121452745a4412a
136a768757b717
143030509c09c6
151629957188aa
hexb1b24e527b2

12211211020210 has 64 divisors (see below), whose sum is σ = 24179444711424. Its totient is φ = 4425201950400.

The previous prime is 12211211020189. The next prime is 12211211020213. The reversal of 12211211020210 is 1202011211221.

12211211020210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122112110202102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211211020213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17884596 + ... + 18554815.

It is an arithmetic number, because the mean of its divisors is an integer number (377803823616).

Almost surely, 212211211020210 is an apocalyptic number.

12211211020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211211020210 is a deficient number, since it is larger than the sum of its proper divisors (11968233691214).

12211211020210 is a wasteful number, since it uses less digits than its factorization.

12211211020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36439519.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211211020210 its reverse (1202011211221), we get a palindrome (13413222231431).

The spelling of 12211211020210 in words is "twelve trillion, two hundred eleven billion, two hundred eleven million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 23 31 46 47 62 94 115 155 230 235 310 470 713 1081 1426 1457 2162 2914 3565 5405 7130 7285 10810 14570 33511 67022 167555 335110 36439411 72878822 182197055 364394110 838106453 1129621741 1676212906 1712652317 2259243482 3425304634 4190532265 5648108705 8381064530 8563261585 11296217410 17126523170 25981300043 39391003291 51962600086 53092221827 78782006582 106184443654 129906500215 196955016455 259813000430 265461109135 393910032910 530922218270 1221121102021 2442242204042 6105605510105 12211211020210