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13212012219 = 377922735083
BaseRepresentation
bin11000100110111111…
…10100111010111011
31021002202201202112220
430103133310322323
5204024233342334
610023003135123
7645256152030
oct142337647273
937082652486
1013212012219
11566a92236a
1226888144a3
1313272a3713
148d4997387
15524d80449
hex3137f4ebb

13212012219 has 32 divisors (see below), whose sum is σ = 20477829120. Its totient is φ = 7421105952.

The previous prime is 13212012217. The next prime is 13212012223. The reversal of 13212012219 is 91221021231.

It is not a de Polignac number, because 13212012219 - 21 = 13212012217 is a prime.

It is a super-2 number, since 2×132120122192 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13212012217) 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, 359052 + ... + 394134.

It is an arithmetic number, because the mean of its divisors is an integer number (639932160).

Almost surely, 213212012219 is an apocalyptic number.

13212012219 is a deficient number, since it is larger than the sum of its proper divisors (7265816901).

13212012219 is a wasteful number, since it uses less digits than its factorization.

13212012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35399.

The product of its (nonzero) digits is 432, while the sum is 24.

It can be divided in two parts, 132 and 12012219, that added together give a triangular number (12012351 = T4901).

The spelling of 13212012219 in words is "thirteen billion, two hundred twelve million, twelve thousand, two hundred nineteen".

Divisors: 1 3 7 21 79 227 237 553 681 1589 1659 4767 17933 35083 53799 105249 125531 245581 376593 736743 2771557 7963841 8314671 19400899 23891523 55746887 58202697 167240661 629143439 1887430317 4404004073 13212012219