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212102211201019 = 478965377650481
BaseRepresentation
bin110000001110011111100100…
…111101000110011111111011
31000210222202212210010011011121
4300032133210331012133323
5210300040312031413034
62031034224412210111
762450610343235656
oct6016374475063773
91023882783104147
10212102211201019
1161645051803307
121b9569b5469937
1391471ca611c69
143a53b321b889d
15197c3ea3ca1b4
hexc0e7e4f467fb

212102211201019 has 16 divisors (see below), whose sum is σ = 219384353784960. Its totient is φ = 204942601262080.

The previous prime is 212102211200981. The next prime is 212102211201037. The reversal of 212102211201019 is 910102112201212.

It is a cyclic number.

It is not a de Polignac number, because 212102211201019 - 213 = 212102211192827 is a prime.

It is a super-2 number, since 2×2121022112010192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212102211200984 and 212102211201002.

It is not an unprimeable number, because it can be changed into a prime (212102211201319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36093742 + ... + 41556739.

It is an arithmetic number, because the mean of its divisors is an integer number (13711522111560).

Almost surely, 2212102211201019 is an apocalyptic number.

212102211201019 is a deficient number, since it is larger than the sum of its proper divisors (7282142583941).

212102211201019 is an equidigital number, since it uses as much as digits as its factorization.

212102211201019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77651270.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 212102211201019 in words is "two hundred twelve trillion, one hundred two billion, two hundred eleven million, two hundred one thousand, nineteen".

Divisors: 1 47 89 653 4183 30691 58117 2731499 77650481 3649572607 6910892809 50705764093 324811962023 2383170912371 4512813004277 212102211201019